diff --git a/obj.go b/obj.go
index 296cb4c..2e130b6 100644
--- a/obj.go
+++ b/obj.go
@@ -493,7 +493,7 @@ func addObjItem(code string, name string, itemTypeID64 int64, weight int) (int64
 	c.Code = code
 	c.Name = name
 	c.Weight = weight
-	cacheObjItem.Store(intl_id, *c)
+	cacheObjItem.Store(code, *c)
 	cacheObjItem.Store(name, *c)
 
 	return objId, nil