diff --git a/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulatorListener.java b/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulatorListener.java
index 860bf56c..110a79e2 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulatorListener.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulatorListener.java
@@ -159,7 +159,7 @@ public class TNTSimulatorListener implements Listener {
 
     @EventHandler
     public void onBlockPlace(BlockPlaceEvent event) {
-        SimulatorPreviewStorage.recalculateAll();
+        Bukkit.getScheduler().runTaskLater(BauSystem.getInstance(), SimulatorPreviewStorage::recalculateAll, 1);
     }
 
     @EventHandler