diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/ExplosionS2CP.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/ExplosionS2CP.kt
index 02e0afd16..d5f3459cd 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/ExplosionS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/ExplosionS2CP.kt
@@ -16,6 +16,8 @@ import de.bixilon.minosoft.modding.event.events.ExplosionEvent
 import de.bixilon.minosoft.protocol.network.connection.PlayConnection
 import de.bixilon.minosoft.protocol.packets.s2c.PlayS2CPacket
 import de.bixilon.minosoft.protocol.protocol.PlayInByteBuffer
+import de.bixilon.minosoft.protocol.protocol.ProtocolVersions.V_1_17
+import de.bixilon.minosoft.util.KUtil.decide
 import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
@@ -25,7 +27,7 @@ import glm_.vec3.Vec3i
 class ExplosionS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
     val position = buffer.readVec3f()
     val power = buffer.readFloat()
-    val explodedBlocks: List<Vec3> = buffer.readArray(buffer.readInt()) { Vec3(buffer.readByte(), buffer.readByte(), buffer.readByte()) }.toList()
+    val explodedBlocks: List<Vec3> = buffer.readArray((buffer.versionId < V_1_17).decide({ buffer.readInt() }, { buffer.readVarInt() })) { Vec3(buffer.readByte(), buffer.readByte(), buffer.readByte()) }.toList() // ToDo: Find out version
     val velocity = buffer.readVec3f()
 
     override fun check(connection: PlayConnection) {
diff --git a/src/main/java/de/bixilon/minosoft/util/KUtil.kt b/src/main/java/de/bixilon/minosoft/util/KUtil.kt
index 9f0b0535f..a016af2b4 100644
--- a/src/main/java/de/bixilon/minosoft/util/KUtil.kt
+++ b/src/main/java/de/bixilon/minosoft/util/KUtil.kt
@@ -144,6 +144,14 @@ object KUtil {
         }
     }
 
+    fun <T> Boolean.decide(`true`: () -> T, `false`: () -> T): T {
+        return if (this) {
+            `true`()
+        } else {
+            `false`()
+        }
+    }
+
     fun String.asUUID(): UUID {
         return Util.getUUIDFromString(this)
     }