diff --git a/sound/core/timer.c b/sound/core/timer.c
index b5dc51030316ac0fdb4f1950c83cd4fb9cd6d529..b4fe1324b56c2546c23179c95d8331280ecfb729 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -500,9 +500,10 @@ static void snd_timer_notify1(struct snd_timer_instance *ti, int event)
 		return;
 	if (timer->hw.flags & SNDRV_TIMER_HW_SLAVE)
 		return;
+	event += 10; /* convert to SNDRV_TIMER_EVENT_MXXX */
 	list_for_each_entry(ts, &ti->slave_active_head, active_list)
 		if (ts->ccallback)
-			ts->ccallback(ts, event + 100, &tstamp, resolution);
+			ts->ccallback(ts, event, &tstamp, resolution);
 }
 
 /* start/continue a master timer */