diff --git a/transport-helper.c b/transport-helper.c
index 4e5d1d914f..26ff24c93a 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -501,6 +501,8 @@ static int get_exporter(struct transport *transport,
 	for (size_t i = 0; i < revlist_args->nr; i++)
 		strvec_push(&fastexport->args, revlist_args->items[i].string);
 
+	strvec_push(&fastexport->args, "--");
+
 	fastexport->git_cmd = 1;
 	return start_command(fastexport);
 }