diff --git a/BauSystem_Main/src/de/steamwar/bausystem/features/script/event/CommandListener.java b/BauSystem_Main/src/de/steamwar/bausystem/features/script/event/CommandListener.java
index d02066ae..ae9fb7d2 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/features/script/event/CommandListener.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/script/event/CommandListener.java
@@ -21,21 +21,48 @@ package de.steamwar.bausystem.features.script.event;
 
 import de.steamwar.bausystem.features.script.ScriptRunner;
 import de.steamwar.linkage.Linked;
+import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerCommandPreprocessEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
 import org.luaj.vm2.LuaValue;
 
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
 @Linked
 public class CommandListener implements Listener {
 
+    private Map<Player, Set<String>> calledCommands = new HashMap<>();
+
     @EventHandler
     public void onPlayerCommandPreprocess(PlayerCommandPreprocessEvent event) {
         String[] split = event.getMessage().split(" ");
+        if (calledCommands.getOrDefault(event.getPlayer(), new HashSet<>()).contains(split[0])) {
+            return;
+        }
+
         LuaValue[] values = new LuaValue[split.length - 1];
         for (int i = 1; i < split.length; i++) {
             values[i - 1] = LuaValue.valueOf(split[i]);
         }
+
+        calledCommands.getOrDefault(event.getPlayer(), new HashSet<>()).add(split[0]);
         event.setCancelled(ScriptRunner.callCommand(event.getPlayer(), split[0].substring(1), LuaValue.listOf(values)));
+        calledCommands.getOrDefault(event.getPlayer(), new HashSet<>()).remove(split[0]);
+    }
+
+    @EventHandler
+    public void onPlayerJoin(PlayerJoinEvent event) {
+        calledCommands.put(event.getPlayer(), new HashSet<>());
+    }
+
+    @EventHandler
+    public void onPlayerQuit(PlayerQuitEvent event) {
+        calledCommands.remove(event.getPlayer());
     }
 }
diff --git a/BauSystem_Main/src/de/steamwar/bausystem/features/script/event/EventListener.java b/BauSystem_Main/src/de/steamwar/bausystem/features/script/event/EventListener.java
index f8497822..22fd60a3 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/features/script/event/EventListener.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/script/event/EventListener.java
@@ -159,7 +159,7 @@ public class EventListener implements Listener {
 
         for (Player player : Bukkit.getOnlinePlayers()) {
             if (tntRegion.inRegion(player.getLocation(), RegionType.NORMAL, RegionExtensionType.NORMAL)) {
-                ScriptRunner.callEvent(player, SteamWarGlobalLuaPlugin.EventType.TNTExplode, table, event)
+                ScriptRunner.callEvent(player, SteamWarGlobalLuaPlugin.EventType.TNTExplode, table, event);
             }
         }
     }