1 files changed, 1 insertions, 1 deletions
diff --git a/refs.c b/refs.c
index 7922261580..8fd5faf8de 100644
--- a/refs.c
+++ b/refs.c
@@ -1951,7 +1951,7 @@ static int remove_empty_directories(const char *file)
 static char *substitute_branch_name(const char **string, int *len)
 {
 	struct strbuf buf = STRBUF_INIT;
-	int ret = interpret_branch_name(*string, &buf);
+	int ret = interpret_branch_name(*string, *len, &buf);
 
 	if (ret == *len) {
 		size_t size;