diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemKnife.java b/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemKnife.java
index a7660d160..8b6b1e676 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemKnife.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemKnife.java
@@ -42,7 +42,9 @@ public class ItemKnife extends ItemBase{
     @Override
     public Multimap getAttributeModifiers(EntityEquipmentSlot slot, ItemStack stack){
         Multimap map = super.getAttributeModifiers(slot, stack);
-        map.put(SharedMonsterAttributes.ATTACK_DAMAGE.getAttributeUnlocalizedName(), new AttributeModifier(ATTACK_DAMAGE_MODIFIER, "Knife Modifier", 3, 0));
+        if(slot == EntityEquipmentSlot.MAINHAND){
+            map.put(SharedMonsterAttributes.ATTACK_DAMAGE.getAttributeUnlocalizedName(), new AttributeModifier(ATTACK_DAMAGE_MODIFIER, "Knife Modifier", 3, 0));
+        }
         return map;
     }