diff --git a/src/minecraft/biomesoplenty/items/projectiles/EntityMudball.java b/src/minecraft/biomesoplenty/items/projectiles/EntityMudball.java
index b8b332c87..7a653384b 100644
--- a/src/minecraft/biomesoplenty/items/projectiles/EntityMudball.java
+++ b/src/minecraft/biomesoplenty/items/projectiles/EntityMudball.java
@@ -37,7 +37,8 @@ public class EntityMudball extends EntityThrowable
 		if (par1MovingObjectPosition.entityHit != null)
 		{
 			par1MovingObjectPosition.entityHit.attackEntityFrom(DamageSource.causeThrownDamage(this, this.getThrower()), 0);
-			((EntityLiving)par1MovingObjectPosition.entityHit).addPotionEffect(new PotionEffect(Potion.moveSlowdown.id, 400, 2));
+			if (par1MovingObjectPosition.entityHit instanceof EntityLiving)
+			    ((EntityLiving)par1MovingObjectPosition.entityHit).addPotionEffect(new PotionEffect(Potion.moveSlowdown.id, 400, 2));
 		}
 
 			for (int i = 0; i < 16; ++i)