diff --git a/bisect.c b/bisect.c
index ad395bb2b8..a579b50884 100644
--- a/bisect.c
+++ b/bisect.c
@@ -145,10 +145,10 @@ static void show_list(const char *debug, int counted, int nr,
 			fprintf(stderr, "%3d", weight(p));
 		else
 			fprintf(stderr, "---");
-		fprintf(stderr, " %.*s", 8, sha1_to_hex(commit->object.oid.hash));
+		fprintf(stderr, " %.*s", 8, oid_to_hex(&commit->object.oid));
 		for (pp = commit->parents; pp; pp = pp->next)
 			fprintf(stderr, " %.*s", 8,
-				sha1_to_hex(pp->item->object.oid.hash));
+				oid_to_hex(&pp->item->object.oid));
 
 		subject_len = find_commit_subject(buf, &subject_start);
 		if (subject_len)