diff --git a/utils/format_rsl.py b/utils/format_rsl.py
index 0633c3fb371ccab2e6adf7a9fbe717dbad835c0c..d5bc0017574a9c00176dbd4ed9aa87c96ec6f009 100644
--- a/utils/format_rsl.py
+++ b/utils/format_rsl.py
@@ -69,7 +69,7 @@ if __name__ == "__main__":
     parser.add_argument(
         '--origin_ref',
         type=str,
-        default = "data/manifest.test.raw",
+        default = None,
         help='origin ref file')
     parser.add_argument(
         '--trans_ref', type=str, default = None, help='ref file for caculating CER/WER')