diff --git a/obj.go b/obj.go
index df676d6..bd985cb 100644
--- a/obj.go
+++ b/obj.go
@@ -269,6 +269,7 @@ func objAddName(objID64 int64, name string) error {
 	                         SELECT ? obj_id, ? name, (SELECT count(*) FROM obj_name WHERE obj_id = ?) priority FROM DUAL;`)
 
 	_, err = stmt.Exec(objID64, name, objID64)
+	defer stmt.Close()
 
 	return err
 }