diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index e8a510d935e55..4101afeb46750 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -275,7 +275,7 @@ static u64 cpus_pstate_state[MAX_CPUS];
 static int
 process_comm_event(event_t *event)
 {
-	pid_set_comm(event->comm.pid, event->comm.comm);
+	pid_set_comm(event->comm.tid, event->comm.comm);
 	return 0;
 }
 static int