diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index d2fc461..459b5e3 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -937,7 +937,8 @@
 
 static int __cmd_timechart(void)
 {
-	struct perf_session *session = perf_session__new(input_name, O_RDONLY, 0, false);
+	struct perf_session *session = perf_session__new(input_name, O_RDONLY,
+							 0, false, &event_ops);
 	int ret = -EINVAL;
 
 	if (session == NULL)