1 files changed, 1 insertions, 1 deletions
diff --git a/refs.c b/refs.c
index 4ff55cf24f..f1ff5bf846 100644
--- a/refs.c
+++ b/refs.c
@@ -1699,7 +1699,7 @@ const char *find_descendant_ref(const char *dirname,
 	 * with dirname (remember, dirname includes the trailing
 	 * slash) and is not in skip, then we have a conflict.
 	 */
-	for (pos = string_list_find_insert_index(extras, dirname, 0);
+	for (pos = string_list_find_insert_index(extras, dirname, NULL);
 	     pos < extras->nr; pos++) {
 		const char *extra_refname = extras->items[pos].string;