diff --git a/FightSystem_Main/src/de/steamwar/fightsystem/listener/ArrowStopper.java b/FightSystem_Main/src/de/steamwar/fightsystem/listener/ArrowStopper.java
index 696d0e7..35d8af1 100644
--- a/FightSystem_Main/src/de/steamwar/fightsystem/listener/ArrowStopper.java
+++ b/FightSystem_Main/src/de/steamwar/fightsystem/listener/ArrowStopper.java
@@ -21,7 +21,6 @@ package de.steamwar.fightsystem.listener;
 
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.states.FightState;
-import de.steamwar.fightsystem.states.StateDependentListener;
 import de.steamwar.fightsystem.states.StateDependentTask;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
@@ -29,17 +28,15 @@ import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.entity.Arrow;
 import org.bukkit.entity.Player;
-import org.bukkit.event.Listener;
 import org.bukkit.projectiles.ProjectileSource;
 import org.bukkit.util.Vector;
 
-public class ArrowStopper implements Listener {
+public class ArrowStopper {
 
     private static final Vector NULL_VECTOR = new Vector(0, 0, 0);
     private static final BlockFace[] BLOCK_FACES = {BlockFace.UP, BlockFace.DOWN, BlockFace.EAST, BlockFace.WEST, BlockFace.NORTH, BlockFace.SOUTH};
 
     public ArrowStopper() {
-        new StateDependentListener(Config.TechhiderActive, FightState.Running, this);
         new StateDependentTask(Config.TechhiderActive, FightState.Running, this::run, 1, 1);
     }
 
@@ -85,7 +82,7 @@ public class ArrowStopper implements Listener {
     }
 
     private boolean checkBlock(Block block) {
-        return Config.HiddenBlocks.contains(block.getType().name());
+        return Config.HiddenBlocks.contains(block.getType().name().toLowerCase());
     }
 
     private boolean invalidEntity(Arrow entity) {