diff --git a/src/main/java/mods/flammpfeil/slashblade/exsa/entity/EntityDriveEx.java b/src/main/java/mods/flammpfeil/slashblade/exsa/entity/EntityDriveEx.java
index d932797..2ef660e 100644
--- a/src/main/java/mods/flammpfeil/slashblade/exsa/entity/EntityDriveEx.java
+++ b/src/main/java/mods/flammpfeil/slashblade/exsa/entity/EntityDriveEx.java
@@ -30,9 +30,10 @@ package mods.flammpfeil.slashblade.exsa.entity;
 import cpw.mods.fml.common.registry.IThrowableEntity;
 import cpw.mods.fml.relauncher.Side;
 import cpw.mods.fml.relauncher.SideOnly;
-import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Random;
+import java.util.Set;
 import mods.flammpfeil.slashblade.ItemSlashBlade;
 import mods.flammpfeil.slashblade.ability.StylishRankManager;
 import net.minecraft.block.Block;
@@ -57,7 +58,7 @@ extends Entity
 implements IThrowableEntity {
     protected Entity thrower;
     protected ItemStack blade = null;
-    protected List<Entity> alreadyHitEntity = new ArrayList<Entity>();
+    protected Set<Entity> alreadyHitEntity = new HashSet<Entity>();
     protected float AttackLevel = 0.0f;
 
     public EntityDriveEx(World par1World) {