diff --git a/FightSystem_10/src/de/steamwar/fightsystem/listener/DenyWorldInteraction_10.java b/FightSystem_10/src/de/steamwar/fightsystem/listener/DenyWorldInteraction_10.java
new file mode 100644
index 0000000..5a805c9
--- /dev/null
+++ b/FightSystem_10/src/de/steamwar/fightsystem/listener/DenyWorldInteraction_10.java
@@ -0,0 +1,32 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.fightsystem.listener;
+
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerSwapHandItemsEvent;
+
+public class DenyWorldInteraction_10 implements Listener {
+
+    @EventHandler
+    public void onSwapItems(PlayerSwapHandItemsEvent event) {
+        event.setCancelled(true);
+    }
+}
diff --git a/FightSystem_Main/src/de/steamwar/fightsystem/listener/DenyWorldInteraction.java b/FightSystem_Main/src/de/steamwar/fightsystem/listener/DenyWorldInteraction.java
index ca0d01c..78b5d50 100644
--- a/FightSystem_Main/src/de/steamwar/fightsystem/listener/DenyWorldInteraction.java
+++ b/FightSystem_Main/src/de/steamwar/fightsystem/listener/DenyWorldInteraction.java
@@ -19,6 +19,7 @@
 
 package de.steamwar.fightsystem.listener;
 
+import de.steamwar.core.Core;
 import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentListener;
@@ -39,6 +40,11 @@ public class DenyWorldInteraction implements Listener {
     public DenyWorldInteraction() {
         new StateDependentListener(ArenaMode.Test, FightState.PreRunning, this);
         new StateDependentListener(ArenaMode.AntiTest, FightState.AntiRunning, this);
+        if(Core.getVersion() > 9){
+            Listener listener = new DenyWorldInteraction_10();
+            new StateDependentListener(ArenaMode.Test, FightState.PreRunning, listener);
+            new StateDependentListener(ArenaMode.AntiTest, FightState.AntiRunning, listener);
+        }
     }
 
     @EventHandler
@@ -68,13 +74,13 @@ public class DenyWorldInteraction implements Listener {
 
     @EventHandler
     public void onInventoryClick(InventoryClickEvent event) {
-        if(PersonalKitCreator.notInKitCreator(event.getWhoClicked()))
+        if(!PersonalKitCreator.inKitCreator(event.getWhoClicked()))
             event.setCancelled(true);
     }
 
     @EventHandler
     public void onInventoryDrag(InventoryDragEvent event) {
-        if(PersonalKitCreator.notInKitCreator(event.getWhoClicked()))
+        if(!PersonalKitCreator.inKitCreator(event.getWhoClicked()))
             event.setCancelled(true);
     }
 
diff --git a/FightSystem_Main/src/de/steamwar/fightsystem/listener/HotbarGUI.java b/FightSystem_Main/src/de/steamwar/fightsystem/listener/HotbarGUI.java
index 2827c50..6b52db4 100644
--- a/FightSystem_Main/src/de/steamwar/fightsystem/listener/HotbarGUI.java
+++ b/FightSystem_Main/src/de/steamwar/fightsystem/listener/HotbarGUI.java
@@ -42,9 +42,10 @@ public class HotbarGUI implements Listener {
     public void handlePlayerInteract(PlayerInteractEvent event) {
         Player player = event.getPlayer();
 
-        if(!PersonalKitCreator.notInKitCreator(player))
+        if(PersonalKitCreator.inKitCreator(player))
             return;
 
+        event.setCancelled(true);
         if(event.getItem() == null)
             return;
 
@@ -52,7 +53,6 @@ public class HotbarGUI implements Listener {
         if(fightTeam == null)
             return;
 
-        event.setCancelled(true);
         ItemMeta itemMeta = event.getItem().getItemMeta();
         String displayName = itemMeta.getDisplayName();
 
diff --git a/FightSystem_Main/src/de/steamwar/fightsystem/listener/PersonalKitCreator.java b/FightSystem_Main/src/de/steamwar/fightsystem/listener/PersonalKitCreator.java
index 3007ee1..297834f 100644
--- a/FightSystem_Main/src/de/steamwar/fightsystem/listener/PersonalKitCreator.java
+++ b/FightSystem_Main/src/de/steamwar/fightsystem/listener/PersonalKitCreator.java
@@ -61,8 +61,8 @@ public class PersonalKitCreator implements Listener {
         BasicListener.toActionbar(player, TextComponent.fromLegacyText("§eInventar zum Anpassen des Kits öffnen§8!"));
     }
 
-    public static boolean notInKitCreator(HumanEntity player){
-        return !openKitCreators.containsKey(player);
+    public static boolean inKitCreator(HumanEntity player){
+        return openKitCreators.containsKey(player);
     }
 
     public static void closeIfInKitCreator(HumanEntity player){