diff --git a/Makefile b/Makefile
index c1263552..c66d99dc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
-CFLAGS = `pkg-config --cflags --libs openssl` -lportaudio
-#CFLAGS = `pkg-config --cflags --libs openssl ao` -DHAVE_AO
+#CFLAGS = `pkg-config --cflags --libs openssl` -lportaudio
+CFLAGS = `pkg-config --cflags --libs openssl 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 b348366c..1d225f2f 100644
--- a/hairtunes.c
+++ b/hairtunes.c
@@ -33,12 +33,16 @@
 #include <netinet/in.h>
 #include <pthread.h>
 #include <openssl/aes.h>
+#include <math.h>
+
+#if !defined(HAVE_AO)
+#define HAVE_AO 1
+#endif
 #if HAVE_AO
 #include <ao/ao.h>
 #else
 #include <portaudio.h>
 #endif
-#include <math.h>
 
 #ifdef FANCY_RESAMPLING
 #include <samplerate.h>