1 file changed, 2 insertions, 2 deletions
diff --git a/source/ui-diff.c b/source/ui-diff.c
index a5202b5..805733a 100644
--- a/source/ui-diff.c
+++ b/source/ui-diff.c
@@ -227,8 +227,8 @@ static char *abbrev_oid(const struct object_id *oid)
 	return xstrdup(repo_find_unique_abbrev(the_repository, oid, DEFAULT_ABBREV));
 }
 
-static void print_file_header(const struct object_id *old_oid, char *old_path, unsigned old_mode,
-	const struct object_id *new_oid, char *new_path, unsigned new_mode)
+static void print_file_header(const struct object_id *old_oid, const char *old_path, unsigned old_mode,
+	const struct object_id *new_oid, const char *new_path, unsigned new_mode)
 {
 	char *old_abbrev, *new_abbrev;
 	int subproject;