diff --git a/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulator.java b/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulator.java
index f87ee867..1e026c52 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulator.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulator.java
@@ -133,6 +133,7 @@ public class TNTSimulator {
                 currentlyCalculating = null;
             }
         }
+        toShow.remove(player);
     }
 
     public boolean hasPreview(Player player) {