diff --git a/src/BlockEntities/BlockEntityWithItems.cpp b/src/BlockEntities/BlockEntityWithItems.cpp
index 54b67717c..9821bd539 100644
--- a/src/BlockEntities/BlockEntityWithItems.cpp
+++ b/src/BlockEntities/BlockEntityWithItems.cpp
@@ -53,10 +53,7 @@ void cBlockEntityWithItems::OnSlotChanged(cItemGrid * a_Grid, int a_SlotNum)
 	}
 
 	m_World->MarkChunkDirty(GetChunkX(), GetChunkZ());
-	m_World->DoWithChunkAt(m_Pos, [&](cChunk & a_Chunk)
-	{
-		// Notify comparators:
-		m_World->WakeUpSimulators(m_Pos);
-		return true;
-	});
+
+	// Notify comparators:
+	m_World->WakeUpSimulators(m_Pos);
 }
diff --git a/src/BlockEntities/ChestEntity.cpp b/src/BlockEntities/ChestEntity.cpp
index 5f99da454..0f005fb53 100644
--- a/src/BlockEntities/ChestEntity.cpp
+++ b/src/BlockEntities/ChestEntity.cpp
@@ -243,10 +243,7 @@ void cChestEntity::OnSlotChanged(cItemGrid * a_Grid, int a_SlotNum)
 	}
 
 	m_World->MarkChunkDirty(GetChunkX(), GetChunkZ());
-	m_World->DoWithChunkAt(m_Pos, [&](cChunk & a_Chunk)
-	{
-		// Notify comparators:
-		m_World->WakeUpSimulators(m_Pos);
-		return true;
-	});
+
+	// Notify comparators:
+	m_World->WakeUpSimulators(m_Pos);
 }