diff --git a/module_usb_audio/usb_buffer/usb_buffer.xc b/module_usb_audio/usb_buffer/usb_buffer.xc
index 2950cdf9..8a4ce701 100644
--- a/module_usb_audio/usb_buffer/usb_buffer.xc
+++ b/module_usb_audio/usb_buffer/usb_buffer.xc
@@ -4,7 +4,9 @@
 
 #include "usb.h"
 #include "devicedefines.h"
+#ifdef MIDI
 #include "usb_midi.h"
+#endif
 #ifdef IAP
 #include "iAP.h"
 #endif