diff --git a/obj.go b/obj.go
index b32fa2f..125a677 100644
--- a/obj.go
+++ b/obj.go
@@ -65,7 +65,7 @@ func setObjSubTypeId(objId int64, objSubTypeID64 int64) error {
 	defer stmt.Close()
 
 	_, err = stmt.Exec(objSubTypeID64, objId)
-	logOnError(err, "setObjSubTypeId : exec update")
+	logOnError(err, "setObjSubTypeId : exec update ("+strconv.Itoa(objId)+", "+strconv.Itoa(objSubTypeID64)+")")
 	return err
 }