1 files changed, 3 insertions, 2 deletions

diff --git a/oidset.c b/oidset.c
index ac169f05d3..a6a08ba52a 100644
--- a/oidset.c
+++ b/oidset.c
@@ -6,7 +6,8 @@ struct oidset_entry {
 	struct object_id oid;
 };
 
-static int oidset_hashcmp(const void *va, const void *vb,
+static int oidset_hashcmp(const void *unused_cmp_data,
+			  const void *va, const void *vb,
 			  const void *vkey)
 {
 	const struct oidset_entry *a = va, *b = vb;
@@ -30,7 +31,7 @@ int oidset_insert(struct oidset *set, const struct object_id *oid)
 	struct oidset_entry *entry;
 
 	if (!set->map.cmpfn)
-		hashmap_init(&set->map, oidset_hashcmp, 0);
+		hashmap_init(&set->map, oidset_hashcmp, NULL, 0);
 
 	if (oidset_contains(set, oid))
 		return 1;