diff --git a/storage/itemgroup.lua b/storage/itemgroup.lua
index 6982d7f..c7156e1 100644
--- a/storage/itemgroup.lua
+++ b/storage/itemgroup.lua
@@ -53,6 +53,14 @@ function ItemGroup:getNBT()
   return self:_getIdentityStack():getNBT()
 end
 
+function ItemGroup:getDamage()
+  return self:_getIdentityStack():getDamage()
+end
+
+function ItemGroup:getMaxDamage()
+  return self:_getIdentityStack():getMaxDamage()
+end
+
 function ItemGroup:_getIdentityStack()
   return self[1]
 end