diff --git a/replace-object.c b/replace-object.c
index 73f5acbcd9..59252d565e 100644
--- a/replace-object.c
+++ b/replace-object.c
@@ -20,7 +20,7 @@ static int register_replace_ref(const char *refname,
 	const char *hash = slash ? slash + 1 : refname;
 	struct replace_object *repl_obj = xmalloc(sizeof(*repl_obj));
 
-	if (get_oid_hex(hash, &repl_obj->original.oid)) {
+	if (get_oid_hex_algop(hash, &repl_obj->original.oid, r->hash_algo)) {
 		free(repl_obj);
 		warning(_("bad replace ref name: %s"), refname);
 		return 0;