diff --git a/fs/proc/base.c b/fs/proc/base.c
index dd51e50..c3834da 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2118,6 +2118,7 @@
 		nstr[notify & ~SIGEV_THREAD_ID],
 		(notify & SIGEV_THREAD_ID) ? "tid" : "pid",
 		pid_nr_ns(timer->it_pid, tp->ns));
+	seq_printf(m, "ClockID: %d\n", timer->it_clock);
 
 	return 0;
 }