diff --git a/sound/core/timer.c b/sound/core/timer.c
index 38a137d6b04f..411113ac2f17 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -1218,6 +1218,7 @@ static void snd_timer_user_tinterrupt(struct snd_timer_instance *timeri,
 	}
 	if ((tu->filter & (1 << SNDRV_TIMER_EVENT_RESOLUTION)) &&
 	    tu->last_resolution != resolution) {
+		memset(&r1, 0, sizeof(r1));
 		r1.event = SNDRV_TIMER_EVENT_RESOLUTION;
 		r1.tstamp = tstamp;
 		r1.val = resolution;