diff --git a/obj.go b/obj.go
index 026de9a..a65c1f7 100644
--- a/obj.go
+++ b/obj.go
@@ -1020,7 +1020,7 @@ func loadObjItem2() error {
 			count := 0
 			for _, n := range i.Names {
 				if count == 0 {
-					cacheObjItemId[n] = i
+					cacheObjItemId[id] = i
 					continue
 				} else {
 					objAddName(id, n)