diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 69f5b1fe..8706383 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -1279,7 +1279,7 @@
 
 	sort__mode = SORT_MODE__DIFF;
 
-	if (setup_sorting() < 0)
+	if (setup_sorting(NULL) < 0)
 		usage_with_options(diff_usage, options);
 
 	setup_pager();