--- x/kernel/time/alarmtimer.c
+++ y/kernel/time/alarmtimer.c
@@ -211,7 +211,7 @@ static enum hrtimer_restart alarmtimer_f
 
 	spin_lock_irqsave(&base->lock, flags);
 	if (restart != ALARMTIMER_NORESTART) {
-		hrtimer_set_expires(&alarm->timer, alarm->node.expires);
+		hrtimer_set_expires(&alarm->timer, ktime_add_ns(alarm->node.expires, 2000));
 		alarmtimer_enqueue(base, alarm);
 		ret = HRTIMER_RESTART;
 	}