diff --git a/bisect.c b/bisect.c
index 2f4321767a..b1941505b2 100644
--- a/bisect.c
+++ b/bisect.c
@@ -226,10 +226,11 @@ static struct commit_list *best_bisection_sorted(struct commit_list *list, int n
 		add_name_decoration(DECORATION_NONE, buf.buf, obj);
 
 		p->item = array[i].commit;
-		p = p->next;
+		if (i < cnt - 1)
+			p = p->next;
 	}
-	if (p)
-		p->next = NULL;
+	free_commit_list(p->next);
+	p->next = NULL;
 	strbuf_release(&buf);
 	free(array);
 	return list;