Index: uspace/srv/audio/hound/audio_device.c
===================================================================
--- uspace/srv/audio/hound/audio_device.c	(revision e1724290c4104a6acf5a433238f7faa147e83cb6)
+++ uspace/srv/audio/hound/audio_device.c	(revision 132ab5d1e75253f9bae910b2748a4c13efe7e71f)
@@ -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;
 }