1 files changed, 1 insertions, 1 deletions
diff --git a/help.c b/help.c
index a6b4d3b1eb..c03863f226 100644
--- a/help.c
+++ b/help.c
@@ -804,7 +804,7 @@ struct similar_ref_cb {
 	struct string_list *similar_refs;
 };
 
-static int append_similar_ref(const char *refname,
+static int append_similar_ref(const char *refname, const char *referent UNUSED,
 			      const struct object_id *oid UNUSED,
 			      int flags UNUSED, void *cb_data)
 {