diff --git a/src/main/java/de/bixilon/minosoft/data/registries/items/block/BlockItem.kt b/src/main/java/de/bixilon/minosoft/data/registries/items/block/BlockItem.kt
index 4ff22b404..374235593 100644
--- a/src/main/java/de/bixilon/minosoft/data/registries/items/block/BlockItem.kt
+++ b/src/main/java/de/bixilon/minosoft/data/registries/items/block/BlockItem.kt
@@ -14,6 +14,7 @@
 package de.bixilon.minosoft.data.registries.items.block
 
 import de.bixilon.kutil.cast.CastUtil.unsafeNull
+import de.bixilon.kutil.concurrent.pool.DefaultThreadPool
 import de.bixilon.minosoft.data.abilities.Gamemodes
 import de.bixilon.minosoft.data.container.stack.ItemStack
 import de.bixilon.minosoft.data.entities.entities.player.Hands
@@ -74,7 +75,7 @@ open class BlockItem(
         }
 
 
-        connection.world[placePosition] = placeBlockState
+        DefaultThreadPool += { connection.world[placePosition] = placeBlockState }
 
         if (connection.player.gamemode != Gamemodes.CREATIVE) {
             stack.item.decreaseCount()
diff --git a/src/main/java/de/bixilon/minosoft/gui/rendering/input/interaction/BreakInteractionHandler.kt b/src/main/java/de/bixilon/minosoft/gui/rendering/input/interaction/BreakInteractionHandler.kt
index ee6de6069..62860fb7f 100644
--- a/src/main/java/de/bixilon/minosoft/gui/rendering/input/interaction/BreakInteractionHandler.kt
+++ b/src/main/java/de/bixilon/minosoft/gui/rendering/input/interaction/BreakInteractionHandler.kt
@@ -16,6 +16,7 @@ package de.bixilon.minosoft.gui.rendering.input.interaction
 import de.bixilon.kotlinglm.pow
 import de.bixilon.kotlinglm.vec3.Vec3i
 import de.bixilon.kutil.collections.CollectionUtil.synchronizedMapOf
+import de.bixilon.kutil.concurrent.pool.DefaultThreadPool
 import de.bixilon.kutil.time.TimeUtil
 import de.bixilon.minosoft.config.key.KeyActions
 import de.bixilon.minosoft.config.key.KeyBinding
@@ -138,7 +139,7 @@ class BreakInteractionHandler(
         fun finishDigging() {
             connection.sendPacket(PlayerActionC2SP(PlayerActionC2SP.Actions.FINISHED_DIGGING, target.blockPosition, target.direction))
             clearDigging()
-            connection.world[target.blockPosition] = null
+            DefaultThreadPool += { connection.world[target.blockPosition] = null }
 
             BlockDestroyedHandler.handleDestroy(connection, target.blockPosition, target.blockState)
         }