diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemHairyBall.java b/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemHairyBall.java
index e86fa7ab4..9911fc849 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemHairyBall.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemHairyBall.java
@@ -63,7 +63,7 @@ public class ItemHairyBall extends ItemBase{
                 entityItem.setPickupDelay(0);
                 player.worldObj.spawnEntityInWorld(entityItem);
             }
-            stack = StackUtil.addStackSize(stack, -1);
+            stack.stackSize--;
 
             world.playSound(null, player.posX, player.posY, player.posZ, SoundEvents.ENTITY_ITEM_PICKUP, SoundCategory.PLAYERS, 0.2F, world.rand.nextFloat()*0.1F+0.9F);
         }
diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemResonantRice.java b/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemResonantRice.java
index a1eaaaecf..3f7dc9c78 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemResonantRice.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemResonantRice.java
@@ -30,7 +30,7 @@ public class ItemResonantRice extends ItemBase{
     @Override
     public ActionResult<ItemStack> onItemRightClick(ItemStack stack, World world, EntityPlayer player, EnumHand hand){
         if(!world.isRemote){
-            stack = StackUtil.addStackSize(stack, -1);
+            stack.stackSize--;
             world.createExplosion(null, player.posX, player.posY, player.posZ, 0.5F, true);
         }
         return new ActionResult<ItemStack>(EnumActionResult.SUCCESS, stack);