diff --git a/sys/dev/sound/pcm/buffer.c b/sys/dev/sound/pcm/buffer.c
--- a/sys/dev/sound/pcm/buffer.c
+++ b/sys/dev/sound/pcm/buffer.c
@@ -147,6 +147,7 @@
 		} else
 			free(b->buf, M_DEVBUF);
 	}
+	seldrain(sndbuf_getsel(b));
 
 	b->tmpbuf = NULL;
 	b->shadbuf = NULL;