diff --git a/Makefile b/Makefile
index fc1c3f22..c1263552 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,5 @@
 CFLAGS = `pkg-config --cflags --libs openssl` -lportaudio
+#CFLAGS = `pkg-config --cflags --libs openssl ao` -DHAVE_AO
 
 hairtunes: hairtunes.c alac.c
 	gcc hairtunes.c alac.c -D__i386 -lm $(CFLAGS) -o hairtunes
diff --git a/hairtunes.c b/hairtunes.c
index 1a1b3eec..b348366c 100644
--- a/hairtunes.c
+++ b/hairtunes.c
@@ -661,7 +661,7 @@ int init_output(void) {
     fmt.rate = sampling_rate;
     fmt.channels = NUM_CHANNELS;
     fmt.byte_format = AO_FMT_LITTLE;
-    fmt.matrix = 0;
+//    fmt.matrix = 0;
     
     ao_device *dev = ao_open_live(driver, &fmt, 0);
 	void* arg = dev;