diff --git a/src/beep.c b/src/beep.c
index db544c1..1f5a923 100644
--- a/src/beep.c
+++ b/src/beep.c
@@ -195,7 +195,7 @@ int beep_test(void)
 
 
 // Raspi does not work with portaudio?!
-#ifdef __ARM1__
+#ifdef ALSA 
 /*
  * This extra small demo sends sinusoidal  samples to your speakers.
  */
diff --git a/src/beep.h b/src/beep.h
index 605d3e9..c4d77f1 100644
--- a/src/beep.h
+++ b/src/beep.h
@@ -4,6 +4,10 @@
 #define PORTAUDIO
 #endif
 
+#ifdef __ARM__
+#define ALSA
+#endif
+
 #ifdef PORTAUDIO
 #include <portaudio.h>
 #endif