diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/EntityDataS2CP.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/EntityDataS2CP.kt
index 0c2789c42..efd08b3d8 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/EntityDataS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/EntityDataS2CP.kt
@@ -21,7 +21,7 @@ import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap
 
-@LoadPacket
+@LoadPacket(threadSafe = false)
 class EntityDataS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
     val entityId = buffer.readEntityId()
     val data: Int2ObjectOpenHashMap<Any?> = buffer.readEntityData()
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/EntityEquipmentS2CP.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/EntityEquipmentS2CP.kt
index d9e0116b8..bc24b7d61 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/EntityEquipmentS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/EntityEquipmentS2CP.kt
@@ -25,7 +25,7 @@ import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
 
-@LoadPacket
+@LoadPacket(threadSafe = false)
 class EntityEquipmentS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
     val entityId: Int = buffer.readEntityId()
     val equipment: Map<EquipmentSlots, ItemStack?>
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/EntitySleepS2CP.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/EntitySleepS2CP.kt
index f2728ef5a..328e102ed 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/EntitySleepS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/EntitySleepS2CP.kt
@@ -21,7 +21,7 @@ import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
 
-@LoadPacket
+@LoadPacket(threadSafe = false)
 class EntitySleepS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
     val entityId: Int = buffer.readInt()
     val blockPosition: Vec3i = if (buffer.versionId < ProtocolVersions.V_14W04A) {
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/passenger/EntityAttachS2CP.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/passenger/EntityAttachS2CP.kt
index 293c6446e..e10a45e10 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/passenger/EntityAttachS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/passenger/EntityAttachS2CP.kt
@@ -21,7 +21,7 @@ import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
 
-@LoadPacket
+@LoadPacket(threadSafe = false)
 class EntityAttachS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
     val entityId: Int = buffer.readInt()
     val vehicle: Int = buffer.readInt()
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/passenger/EntityPassengerS2CP.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/passenger/EntityPassengerS2CP.kt
index fd1e2ba20..2ddf3f41b 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/passenger/EntityPassengerS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/entity/passenger/EntityPassengerS2CP.kt
@@ -22,7 +22,7 @@ import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
 import it.unimi.dsi.fastutil.ints.IntOpenHashSet
 
-@LoadPacket
+@LoadPacket(threadSafe = false)
 class EntityPassengerS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
     val vehicle: Int = buffer.readVarInt()
     val passengers: IntOpenHashSet = IntOpenHashSet(buffer.readVarIntArray())