diff --git a/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/SimulatorCommand.java b/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/SimulatorCommand.java
index ec7d535f..49dda986 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/SimulatorCommand.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/SimulatorCommand.java
@@ -83,7 +83,7 @@ public class SimulatorCommand extends SWCommand {
             BauSystem.MESSAGE.send("SIMULATOR_NOT_EXISTS", p);
             return;
         }
-        tntSimulator.start();
+        tntSimulator.start(p);
     }
 
     @Mapper("simulators")
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 e0d10819..c38fcb62 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulator.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulator.java
@@ -28,6 +28,9 @@ import de.steamwar.bausystem.features.simulator.tnt.SimulatorElement;
 import de.steamwar.bausystem.features.simulator.tnt.TNTElement;
 import de.steamwar.bausystem.features.simulator.tnt.TNTGroup;
 import de.steamwar.bausystem.features.tracer.record.RecordStateMachine;
+import de.steamwar.bausystem.region.Region;
+import de.steamwar.bausystem.region.flags.Flag;
+import de.steamwar.bausystem.region.flags.flagvalues.FreezeMode;
 import de.steamwar.bausystem.shared.Pair;
 import lombok.Getter;
 import org.bukkit.Bukkit;
@@ -209,7 +212,23 @@ public class TNTSimulator {
         });
     }
 
-    public void start() {
+    public void start(Player p) {
+        for (SimulatorElement element : tntElementList) {
+            if (element instanceof TNTElement) {
+                if (Region.getRegion(element.getPosition().toLocation(SimulatorStorage.WORLD)).get(Flag.FREEZE) == FreezeMode.ACTIVE) {
+                    BauSystem.MESSAGE.send("SIMULATOR_REGION_FREEZED", p);
+                    return;
+                }
+            } else if (element instanceof TNTGroup) {
+                for (TNTElement tntElement : ((TNTGroup) element).getElements()) {
+                    if (Region.getRegion(tntElement.getPosition().toLocation(SimulatorStorage.WORLD)).get(Flag.FREEZE) == FreezeMode.ACTIVE) {
+                        BauSystem.MESSAGE.send("SIMULATOR_REGION_FREEZED", p);
+                        return;
+                    }
+                }
+            }
+        }
+
         Map<Integer, Map<Integer, Set<Pair<Runnable, Integer>>>> result = new HashMap<>();
         for (SimulatorElement element : tntElementList) {
             element.locations(result);
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 12e7f57f..6a85a082 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulatorListener.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulatorListener.java
@@ -139,7 +139,7 @@ public class TNTSimulatorListener implements Listener {
                 if (simulator == null) {
                     return;
                 }
-                simulator.start();
+                simulator.start(event.getPlayer());
                 break;
             case RIGHT_CLICK_BLOCK:
             case RIGHT_CLICK_AIR: