diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index c3d2b94723dcff910173d556c233c2717b88661e..935f39eb8aac33029569f51bff92cff5c8c6c479 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -332,6 +332,8 @@ static void clocksource_resume_watchdog(void)
 
 static void clocksource_enqueue_watchdog(struct clocksource *cs)
 {
+	INIT_LIST_HEAD(&cs->wd_list);
+
 	if (cs->flags & CLOCK_SOURCE_MUST_VERIFY) {
 		/* cs is a clocksource to be watched. */
 		list_add(&cs->wd_list, &watchdog_list);