--- include/pa_mac_core.h.dist	2011-07-09 08:01:52.000000000 -0700
+++ include/pa_mac_core.h	2012-08-11 12:14:25.000000000 -0700
@@ -46,7 +46,7 @@
 #include "portaudio.h"
 
 #include <AudioUnit/AudioUnit.h>
-//#include <AudioToolbox/AudioToolbox.h>
+#include <AudioToolbox/AudioToolbox.h>
 
 #ifdef __cplusplus
 extern "C" {