diff --git a/builtin/shortlog.c b/builtin/shortlog.c
index 35825f075e..086dfee45a 100644
--- a/builtin/shortlog.c
+++ b/builtin/shortlog.c
@@ -443,7 +443,7 @@ void shortlog_output(struct shortlog *log)
 	struct strbuf sb = STRBUF_INIT;
 
 	if (log->sort_by_number)
-		QSORT(log->list.items, log->list.nr,
+		STABLE_QSORT(log->list.items, log->list.nr,
 		      log->summary ? compare_by_counter : compare_by_list);
 	for (i = 0; i < log->list.nr; i++) {
 		const struct string_list_item *item = &log->list.items[i];