diff --git a/sys/dev/sound/pcm/sound.c b/sys/dev/sound/pcm/sound.c
--- a/sys/dev/sound/pcm/sound.c
+++ b/sys/dev/sound/pcm/sound.c
@@ -221,7 +221,7 @@
 		/* Make sure all channels are stopped. */
 		CHN_FOREACH(ch, d, channels.pcm) {
 			CHN_LOCK(ch);
-			if (ch->intr_cv.cv_waiters == 0 && CHN_STOPPED(ch) &&
+			if (cv_waiters(&ch->intr_cv) == 0 && CHN_STOPPED(ch) &&
 			    ch->inprog == 0) {
 				CHN_UNLOCK(ch);
 				continue;