diff --git a/obj.go b/obj.go
index 3e6e58c..f7b2107 100644
--- a/obj.go
+++ b/obj.go
@@ -991,7 +991,7 @@ func loadObjItem2() error {
 			}
 
 			if weight != obj.Weight {
-				log.Printf("loadObjItem2 : %s : weight changed : %d => %d\n", weight, obj.Weight)
+				log.Printf("loadObjItem2 : %s : weight changed : %d => %d\n", obj.Code, weight, obj.Weight)
 			}
 
 			cacheObjItemId[id] = obj