Index: uspace/srv/audio/hound/audio_device.c
===================================================================
--- uspace/srv/audio/hound/audio_device.c	(revision 94e3a036175ccd11c8c097a5202b483a00cde423)
+++ uspace/srv/audio/hound/audio_device.c	(revision 1afa94dc6d456692c9d48c2e3f7088087ffdc9ca)
@@ -62,5 +62,5 @@
 	assert(dev);
 	/* we release buffer on stop so this should be enough */
-	return (bool)dev->buffer.base;
+	return dev->buffer.base != NULL;
 }