diff --git a/module_usb_audio/audio.xc b/module_usb_audio/audio.xc
index a02b6e13..2e47bde0 100755
--- a/module_usb_audio/audio.xc
+++ b/module_usb_audio/audio.xc
@@ -471,7 +471,7 @@ unsigned deliver(chanend c_out, chanend ?c_spd_out, unsigned divide, chanend ?c_
 #endif
         }
 
-#ifdef SU1_ADC
+#ifdef SU1_ADC_ENABLE
         {
             unsigned x;
 
@@ -548,7 +548,7 @@ void audio(chanend c_mix_out, chanend ?c_dig_rx, chanend ?c_config, chanend ?c)
     unsigned divide;
     unsigned firstRun = 1;
 
-#ifdef SU1_ADC
+#ifdef SU1_ADC_ENABLE
     /* Setup galaxian ADC */
     unsigned data[1],  channel;
     int r;
diff --git a/module_usb_audio/main.xc b/module_usb_audio/main.xc
index eb91ede5..8da8cfc0 100755
--- a/module_usb_audio/main.xc
+++ b/module_usb_audio/main.xc
@@ -192,7 +192,7 @@ int main()
 #define c_usb_test null
 #endif
 
-#ifdef SU1_ADC
+#ifdef SU1_ADC_ENABLE
     chan c_adc;
 #else
 #define c_adc null
@@ -280,7 +280,7 @@ int main()
         }
 #endif
 
-#ifdef SU1_ADC
+#ifdef SU1_ADC_ENABLE
         xs1_su_adc_service(c_adc);
 #endif