diff --git a/module_usb_aud_shared/usb_buffer/usb_buffer.xc b/module_usb_aud_shared/usb_buffer/usb_buffer.xc
index 9957df56..562c1234 100644
--- a/module_usb_aud_shared/usb_buffer/usb_buffer.xc
+++ b/module_usb_aud_shared/usb_buffer/usb_buffer.xc
@@ -11,7 +11,9 @@
 #include "usb.h"
 #include "devicedefines.h"
 #include "usb_midi.h"
+#ifdef IAP
 #include "iAP.h"
+#endif
 #include "xc_ptr.h"
 #include "clockcmds.h"
 #include "xud.h"