diff --git a/pom.xml b/pom.xml
index 0ca412a72..f90c175fa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
   ~ Minosoft
-  ~ Copyright (C) 2020 Moritz Zwerger
+  ~ Copyright (C) 2020-2022 Moritz Zwerger
   ~
   ~ This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
   ~
@@ -417,12 +417,12 @@
         <dependency>
             <groupId>org.kordamp.ikonli</groupId>
             <artifactId>ikonli-fontawesome5-pack</artifactId>
-            <version>12.2.0</version>
+            <version>12.3.0</version>
         </dependency>
         <dependency>
             <groupId>org.kordamp.ikonli</groupId>
             <artifactId>ikonli-javafx</artifactId>
-            <version>12.2.0</version>
+            <version>12.3.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
@@ -457,7 +457,7 @@
         <dependency>
             <groupId>de.bixilon</groupId>
             <artifactId>kutil</artifactId>
-            <version>1.5.2</version>
+            <version>1.6</version>
         </dependency>
         <dependency>
             <groupId>io.netty</groupId>
diff --git a/src/main/java/de/bixilon/minosoft/gui/eros/main/account/add/MicrosoftAddController.kt b/src/main/java/de/bixilon/minosoft/gui/eros/main/account/add/MicrosoftAddController.kt
index 305f64593..7863359fc 100644
--- a/src/main/java/de/bixilon/minosoft/gui/eros/main/account/add/MicrosoftAddController.kt
+++ b/src/main/java/de/bixilon/minosoft/gui/eros/main/account/add/MicrosoftAddController.kt
@@ -1,6 +1,6 @@
 /*
  * Minosoft
- * Copyright (C) 2021 Moritz Zwerger
+ * Copyright (C) 2020-2022 Moritz Zwerger
  *
  * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
  *
@@ -14,6 +14,7 @@
 package de.bixilon.minosoft.gui.eros.main.account.add
 
 import de.bixilon.kutil.concurrent.pool.DefaultThreadPool
+import de.bixilon.kutil.http.QueryUtil.fromQuery
 import de.bixilon.minosoft.config.profile.profiles.eros.ErosProfileManager
 import de.bixilon.minosoft.gui.eros.controller.JavaFXWindowController
 import de.bixilon.minosoft.gui.eros.dialog.ErosErrorReport.Companion.report
@@ -21,7 +22,6 @@ import de.bixilon.minosoft.gui.eros.main.account.AccountController
 import de.bixilon.minosoft.gui.eros.util.JavaFXUtil
 import de.bixilon.minosoft.protocol.protocol.ProtocolDefinition
 import de.bixilon.minosoft.util.KUtil.toResourceLocation
-import de.bixilon.minosoft.util.Util
 import de.bixilon.minosoft.util.account.microsoft.MicrosoftOAuthUtils
 import javafx.concurrent.Worker
 import javafx.fxml.FXML
@@ -62,7 +62,7 @@ class MicrosoftAddController(
                 DefaultThreadPool += {
                     try {
                         // ms-xal-00000000402b5328://auth/?code=M.R3_BL2.9c86df10-b29b-480d-9094-d8accb31e4a5
-                        val account = MicrosoftOAuthUtils.loginToMicrosoftAccount(Util.urlQueryToMap(URL(location).query)["code"]!!)
+                        val account = MicrosoftOAuthUtils.loginToMicrosoftAccount(URL(location).query.fromQuery()["code"]!!)
                         profile.entries[account.id] = account
                         profile.selected = account
                         JavaFXUtil.runLater { accountController.refreshList() }
diff --git a/src/main/java/de/bixilon/minosoft/protocol/network/network/client/exceptions/ciritical/UnknownPacketIdException.kt b/src/main/java/de/bixilon/minosoft/protocol/network/network/client/exceptions/ciritical/UnknownPacketIdException.kt
index b1c2feb7c..c6c19af02 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/network/network/client/exceptions/ciritical/UnknownPacketIdException.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/network/network/client/exceptions/ciritical/UnknownPacketIdException.kt
@@ -13,10 +13,10 @@
 
 package de.bixilon.minosoft.protocol.network.network.client.exceptions.ciritical
 
+import de.bixilon.kutil.primitive.IntUtil.toHex
 import de.bixilon.minosoft.data.registries.versions.Version
 import de.bixilon.minosoft.protocol.network.network.client.exceptions.NetworkException
 import de.bixilon.minosoft.protocol.protocol.ProtocolStates
-import de.bixilon.minosoft.util.KUtil.toHex
 
 class UnknownPacketIdException(
     val packetId: Int,
diff --git a/src/main/java/de/bixilon/minosoft/protocol/network/network/client/exceptions/implementation/S2CPacketNotImplementedException.kt b/src/main/java/de/bixilon/minosoft/protocol/network/network/client/exceptions/implementation/S2CPacketNotImplementedException.kt
index e18b08912..7f8aa25a9 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/network/network/client/exceptions/implementation/S2CPacketNotImplementedException.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/network/network/client/exceptions/implementation/S2CPacketNotImplementedException.kt
@@ -13,10 +13,10 @@
 
 package de.bixilon.minosoft.protocol.network.network.client.exceptions.implementation
 
+import de.bixilon.kutil.primitive.IntUtil.toHex
 import de.bixilon.minosoft.data.registries.versions.Version
 import de.bixilon.minosoft.protocol.network.network.client.exceptions.NetworkException
 import de.bixilon.minosoft.protocol.protocol.ProtocolStates
-import de.bixilon.minosoft.util.KUtil.toHex
 
 class S2CPacketNotImplementedException(
     val packetId: Int,
diff --git a/src/main/java/de/bixilon/minosoft/protocol/network/network/client/pipeline/compression/PacketDeflater.kt b/src/main/java/de/bixilon/minosoft/protocol/network/network/client/pipeline/compression/PacketDeflater.kt
index c22ce27b9..f7bf6c212 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/network/network/client/pipeline/compression/PacketDeflater.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/network/network/client/pipeline/compression/PacketDeflater.kt
@@ -13,8 +13,8 @@
 
 package de.bixilon.minosoft.protocol.network.network.client.pipeline.compression
 
+import de.bixilon.kutil.compression.zlib.ZlibUtil.decompress
 import de.bixilon.minosoft.protocol.protocol.InByteBuffer
-import de.bixilon.minosoft.util.KUtil.decompressZlib
 import io.netty.channel.ChannelHandlerContext
 import io.netty.handler.codec.MessageToMessageDecoder
 
@@ -31,7 +31,7 @@ class PacketDeflater : MessageToMessageDecoder<ByteArray>() {
             return
         }
 
-        out += rest.decompressZlib()
+        out += rest.decompress()
     }
 
     companion object {
diff --git a/src/main/java/de/bixilon/minosoft/protocol/network/network/client/pipeline/compression/PacketInflater.kt b/src/main/java/de/bixilon/minosoft/protocol/network/network/client/pipeline/compression/PacketInflater.kt
index a278c4b99..385690b1e 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/network/network/client/pipeline/compression/PacketInflater.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/network/network/client/pipeline/compression/PacketInflater.kt
@@ -13,8 +13,8 @@
 
 package de.bixilon.minosoft.protocol.network.network.client.pipeline.compression
 
+import de.bixilon.kutil.compression.zlib.ZlibUtil.compress
 import de.bixilon.minosoft.protocol.protocol.OutByteBuffer
-import de.bixilon.minosoft.util.KUtil.compressZlib
 import de.bixilon.minosoft.util.KUtil.withLengthPrefix
 import io.netty.channel.ChannelHandlerContext
 import io.netty.handler.codec.MessageToMessageEncoder
@@ -35,7 +35,7 @@ class PacketInflater(
             return
         }
 
-        val compressed = data.compressZlib()
+        val compressed = data.compress()
 
         out += compressed.withLengthPrefix()
     }
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/factory/PacketTypeRegistry.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/factory/PacketTypeRegistry.kt
index 63d71451f..51b74428d 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/factory/PacketTypeRegistry.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/factory/PacketTypeRegistry.kt
@@ -20,6 +20,7 @@ import de.bixilon.kutil.collections.CollectionUtil.synchronizedMapOf
 import de.bixilon.kutil.collections.map.SynchronizedMap
 import de.bixilon.kutil.concurrent.pool.DefaultThreadPool
 import de.bixilon.kutil.latch.CountUpAndDownLatch
+import de.bixilon.kutil.reflection.KotlinReflection.kClass
 import de.bixilon.kutil.reflection.ReflectionUtil.realName
 import de.bixilon.kutil.string.StringUtil.toSnakeCase
 import de.bixilon.minosoft.protocol.PacketErrorHandler
@@ -30,7 +31,6 @@ import de.bixilon.minosoft.protocol.packets.factory.factories.PacketFactory
 import de.bixilon.minosoft.protocol.packets.factory.factories.ReflectionFactory
 import de.bixilon.minosoft.protocol.packets.s2c.S2CPacket
 import de.bixilon.minosoft.protocol.protocol.ProtocolStates
-import de.bixilon.minosoft.util.KUtil.kClass
 import kotlin.reflect.full.companionObjectInstance
 
 object PacketTypeRegistry {
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chunk/ChunkS2CP.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chunk/ChunkS2CP.kt
index 6dbc603f5..39e6d6cb5 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chunk/ChunkS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chunk/ChunkS2CP.kt
@@ -12,6 +12,7 @@
  */
 package de.bixilon.minosoft.protocol.packets.s2c.play.chunk
 
+import de.bixilon.kutil.compression.zlib.ZlibUtil.decompress
 import de.bixilon.kutil.json.JsonUtil.asJsonObject
 import de.bixilon.kutil.json.JsonUtil.toJsonObject
 import de.bixilon.kutil.primitive.IntUtil.toInt
@@ -37,7 +38,6 @@ import de.bixilon.minosoft.protocol.protocol.ProtocolVersions.V_20W45A
 import de.bixilon.minosoft.protocol.protocol.ProtocolVersions.V_21W03A
 import de.bixilon.minosoft.protocol.protocol.ProtocolVersions.V_21W37A
 import de.bixilon.minosoft.util.KUtil.toResourceLocation
-import de.bixilon.minosoft.util.Util
 import de.bixilon.minosoft.util.chunk.ChunkUtil
 import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
@@ -68,7 +68,7 @@ class ChunkS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
 
             // decompress chunk data
             val decompressed: PlayInByteBuffer = if (buffer.versionId < V_14W28A) {
-                Util.decompress(buffer.readByteArray(buffer.readInt()), buffer.connection)
+                PlayInByteBuffer(buffer.readByteArray(buffer.readInt()).decompress(), buffer.connection)
             } else {
                 buffer
             }
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chunk/ChunksS2CP.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chunk/ChunksS2CP.kt
index 2ac08a44d..f4c7aa2b9 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chunk/ChunksS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chunk/ChunksS2CP.kt
@@ -12,13 +12,13 @@
  */
 package de.bixilon.minosoft.protocol.packets.s2c.play.chunk
 
+import de.bixilon.kutil.compression.zlib.ZlibUtil.decompress
 import de.bixilon.minosoft.data.world.ChunkData
 import de.bixilon.minosoft.protocol.network.connection.play.PlayConnection
 import de.bixilon.minosoft.protocol.packets.factory.LoadPacket
 import de.bixilon.minosoft.protocol.packets.s2c.PlayS2CPacket
 import de.bixilon.minosoft.protocol.protocol.PlayInByteBuffer
 import de.bixilon.minosoft.protocol.protocol.ProtocolVersions
-import de.bixilon.minosoft.util.Util
 import de.bixilon.minosoft.util.chunk.ChunkUtil
 import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
@@ -39,7 +39,7 @@ class ChunksS2CP : PlayS2CPacket {
 
             // decompress chunk data
             val decompressed: PlayInByteBuffer = if (buffer.versionId < ProtocolVersions.V_14W28A) {
-                Util.decompress(buffer.readByteArray(dataLength), buffer.connection)
+                PlayInByteBuffer(buffer.readByteArray(dataLength).decompress(), buffer.connection)
             } else {
                 buffer
             }
diff --git a/src/main/java/de/bixilon/minosoft/protocol/protocol/InByteBuffer.kt b/src/main/java/de/bixilon/minosoft/protocol/protocol/InByteBuffer.kt
index d7cc8805e..2ff7d1988 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/protocol/InByteBuffer.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/protocol/InByteBuffer.kt
@@ -12,13 +12,13 @@
  */
 package de.bixilon.minosoft.protocol.protocol
 
+import de.bixilon.kutil.compression.zlib.GzipUtil.decompress
 import de.bixilon.kutil.uuid.UUIDUtil.toUUID
 import de.bixilon.minosoft.data.direction.Directions
 import de.bixilon.minosoft.data.entities.Poses
 import de.bixilon.minosoft.data.registries.ResourceLocation
 import de.bixilon.minosoft.data.tags.Tag
 import de.bixilon.minosoft.data.text.ChatComponent
-import de.bixilon.minosoft.util.Util
 import de.bixilon.minosoft.util.json.Jackson
 import de.bixilon.minosoft.util.nbt.tag.NBTTagTypes
 import glm_.vec2.Vec2
@@ -383,7 +383,7 @@ open class InByteBuffer {
                 // no nbt data here...
                 null
             } else {
-                InByteBuffer(Util.decompressGzip(readByteArray(length))).readNBTTag(false)
+                InByteBuffer(readByteArray(length).decompress()).readNBTTag(false)
             }
         }
         val type = NBTTagTypes[readUnsignedByte()]
diff --git a/src/main/java/de/bixilon/minosoft/util/KUtil.kt b/src/main/java/de/bixilon/minosoft/util/KUtil.kt
index 70ec35036..1656ecad5 100644
--- a/src/main/java/de/bixilon/minosoft/util/KUtil.kt
+++ b/src/main/java/de/bixilon/minosoft/util/KUtil.kt
@@ -40,12 +40,7 @@ import glm_.vec2.Vec2t
 import glm_.vec3.Vec3t
 import glm_.vec4.Vec4t
 import org.kamranzafar.jtar.TarHeader
-import java.io.ByteArrayOutputStream
 import java.util.*
-import java.util.zip.Deflater
-import java.util.zip.Inflater
-import kotlin.jvm.internal.Reflection
-import kotlin.reflect.KClass
 
 
 object KUtil {
@@ -251,51 +246,9 @@ object KUtil {
         ShutdownManager::class.java.forceInit()
     }
 
-    fun <T> Array<T>.index(value: T): Int? {
-        val index = indexOf(value)
-        if (index < 0) {
-            return null
-        }
-        return index
-    }
-
-    fun ByteArray.decompressZlib(): ByteArray {
-        val inflater = Inflater()
-        inflater.setInput(this, 0, this.size)
-        val buffer = ByteArray(ProtocolDefinition.DEFAULT_BUFFER_SIZE)
-        val stream = ByteArrayOutputStream(this.size)
-        while (!inflater.finished()) {
-            stream.write(buffer, 0, inflater.inflate(buffer))
-        }
-        stream.close()
-        return stream.toByteArray()
-    }
-
-
-    fun ByteArray.compressZlib(): ByteArray {
-        val deflater = Deflater()
-        deflater.setInput(this)
-        deflater.finish()
-        val buffer = ByteArray(ProtocolDefinition.DEFAULT_BUFFER_SIZE)
-        val stream = ByteArrayOutputStream(this.size)
-        while (!deflater.finished()) {
-            stream.write(buffer, 0, deflater.deflate(buffer))
-        }
-        stream.close()
-        return stream.toByteArray()
-    }
-
-
     fun ByteArray.withLengthPrefix(): ByteArray {
         val prefixed = OutByteBuffer()
         prefixed.writeByteArray(this)
         return prefixed.toArray()
     }
-
-    fun Int.toHex(): String {
-        return Integer.toHexString(this)
-    }
-
-    val <T : Any>Class<T>.kClass: KClass<T>
-        get() = Reflection.createKotlinClass(this).unsafeCast()
 }
diff --git a/src/main/java/de/bixilon/minosoft/util/Util.java b/src/main/java/de/bixilon/minosoft/util/Util.java
index 9fedb519f..afd4f8a58 100644
--- a/src/main/java/de/bixilon/minosoft/util/Util.java
+++ b/src/main/java/de/bixilon/minosoft/util/Util.java
@@ -1,6 +1,6 @@
 /*
  * Minosoft
- * Copyright (C) 2020 Moritz Zwerger
+ * Copyright (C) 2020-2022 Moritz Zwerger
  *
  * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
  *
@@ -14,32 +14,14 @@
 package de.bixilon.minosoft.util;
 
 import com.google.gson.Gson;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
 import com.google.gson.stream.JsonReader;
-import de.bixilon.minosoft.protocol.network.connection.play.PlayConnection;
-import de.bixilon.minosoft.protocol.protocol.PlayInByteBuffer;
-import de.bixilon.minosoft.protocol.protocol.ProtocolDefinition;
-import org.jetbrains.annotations.NotNull;
 
-import java.io.*;
+import java.io.StringReader;
 import java.lang.reflect.Field;
-import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Random;
-import java.util.zip.DataFormatException;
-import java.util.zip.Deflater;
-import java.util.zip.GZIPInputStream;
-import java.util.zip.Inflater;
 
 @Deprecated(forRemoval = true)
 public final class Util {
-    public static final char[] RANDOM_STRING_CHARS = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".toCharArray();
-    public static final String LINE_SEPARATOR = System.getProperty("line.separator");
     public static final Gson GSON = new Gson();
-    private static final Random RANDOM = new Random();
     private static final Field JSON_READER_POS_FIELD;
     private static final Field JSON_READER_LINE_START_FIELD;
 
@@ -57,77 +39,6 @@ public final class Util {
         }
     }
 
-    public static PlayInByteBuffer decompress(byte[] bytes, PlayConnection connection) {
-        return new PlayInByteBuffer(decompress(bytes), connection);
-    }
-
-    public static byte[] decompress(byte[] bytes) {
-        Inflater inflater = new Inflater();
-        inflater.setInput(bytes, 0, bytes.length);
-        byte[] buffer = new byte[ProtocolDefinition.DEFAULT_BUFFER_SIZE];
-        ByteArrayOutputStream stream = new ByteArrayOutputStream(bytes.length);
-        try {
-            while (!inflater.finished()) {
-                stream.write(buffer, 0, inflater.inflate(buffer));
-            }
-            stream.close();
-        } catch (IOException | DataFormatException e) {
-            e.printStackTrace();
-        }
-        return stream.toByteArray();
-    }
-
-    public static byte[] compress(byte[] bytes) {
-        Deflater deflater = new Deflater();
-        deflater.setInput(bytes);
-        deflater.finish();
-        byte[] buffer = new byte[ProtocolDefinition.DEFAULT_BUFFER_SIZE];
-        ByteArrayOutputStream stream = new ByteArrayOutputStream(bytes.length);
-        while (!deflater.finished()) {
-            stream.write(buffer, 0, deflater.deflate(buffer));
-        }
-        try {
-            stream.close();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        return stream.toByteArray();
-    }
-
-    public static byte[] decompressGzip(byte[] raw) throws IOException {
-        GZIPInputStream gzipInputStream = new GZIPInputStream(new ByteArrayInputStream(raw));
-        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
-
-        int res = 0;
-        byte[] buffer = new byte[ProtocolDefinition.DEFAULT_BUFFER_SIZE];
-        while (res >= 0) {
-            res = gzipInputStream.read(buffer, 0, buffer.length);
-            if (res > 0) {
-                outputStream.write(buffer, 0, res);
-            }
-        }
-        gzipInputStream.close();
-        byte[] ret = outputStream.toByteArray();
-        outputStream.close();
-        return ret;
-    }
-
-    public static String readReader(BufferedReader reader, boolean closeStream) throws IOException {
-        StringBuilder stringBuilder = new StringBuilder();
-        String line;
-        while ((line = reader.readLine()) != null) {
-            stringBuilder.append(line);
-            stringBuilder.append(LINE_SEPARATOR);
-        }
-        if (stringBuilder.length() > 0) {
-            stringBuilder.deleteCharAt(stringBuilder.length() - 1);
-        }
-        if (closeStream) {
-            reader.close();
-        }
-        return stringBuilder.toString();
-    }
-
     public static int getJsonReaderPosition(JsonReader jsonReader) {
         try {
             return JSON_READER_POS_FIELD.getInt(jsonReader) - JSON_READER_LINE_START_FIELD.getInt(jsonReader) + 1;
@@ -135,41 +46,4 @@ public final class Util {
             throw new IllegalStateException();
         }
     }
-
-    public static Map<String, String> urlQueryToMap(String query) {
-        Map<String, String> map = new HashMap<>();
-        for (String parameter : query.split("&")) {
-            String[] split = parameter.split("=");
-            map.put(split[0], split[1]);
-        }
-        return map;
-    }
-
-    public static String mapToUrlQuery(Map<String, Object> data) {
-        StringBuilder builder = new StringBuilder();
-        for (Map.Entry<String, Object> entry : data.entrySet()) {
-            if (builder.length() != 0) {
-                builder.append("&");
-            }
-            try {
-                builder.append(URLEncoder.encode(entry.getKey(), StandardCharsets.UTF_8.name()));
-                builder.append("=");
-                builder.append(URLEncoder.encode(entry.getValue().toString(), StandardCharsets.UTF_8.name()));
-            } catch (UnsupportedEncodingException e) {
-                e.printStackTrace();
-            }
-        }
-        return builder.toString();
-    }
-
-    @NotNull
-    @Deprecated
-    public static JsonObject readJsonFromStream(@NotNull InputStream stream, boolean close) throws IOException {
-        InputStreamReader reader = new InputStreamReader(stream);
-        JsonObject json = JsonParser.parseReader(reader).getAsJsonObject();
-        if (close) {
-            reader.close();
-        }
-        return json;
-    }
 }
diff --git a/src/main/java/de/bixilon/minosoft/util/http/HTTP2.kt b/src/main/java/de/bixilon/minosoft/util/http/HTTP2.kt
index 14f0b4b17..969b403d1 100644
--- a/src/main/java/de/bixilon/minosoft/util/http/HTTP2.kt
+++ b/src/main/java/de/bixilon/minosoft/util/http/HTTP2.kt
@@ -1,6 +1,6 @@
 /*
  * Minosoft
- * Copyright (C) 2021 Moritz Zwerger
+ * Copyright (C) 2020-2022 Moritz Zwerger
  *
  * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
  *
@@ -14,8 +14,8 @@
 package de.bixilon.minosoft.util.http
 
 import de.bixilon.kutil.collections.CollectionUtil.extend
+import de.bixilon.kutil.http.QueryUtil.toQuery
 import de.bixilon.kutil.primitive.BooleanUtil.decide
-import de.bixilon.minosoft.util.Util
 import de.bixilon.minosoft.util.json.Jackson
 import java.net.URI
 import java.net.http.HttpClient
@@ -64,7 +64,7 @@ object HTTP2 {
         return post(
             url = url,
             data = this,
-            bodyPublisher = { Util.mapToUrlQuery(this) },
+            bodyPublisher = { this.toQuery() },
             bodyBuilder = { it.isBlank().decide(null) { Jackson.MAPPER.readValue(it, Jackson.JSON_MAP_TYPE) as Map<String, Any> } },
             headers = headers.extend(
                 "Content-Type" to "application/x-www-form-urlencoded",