diff --git a/module_usb_audio/usb_buffer/usb_buffer.xc b/module_usb_audio/usb_buffer/usb_buffer.xc
index 1dad3ed9..d4045f1c 100644
--- a/module_usb_audio/usb_buffer/usb_buffer.xc
+++ b/module_usb_audio/usb_buffer/usb_buffer.xc
@@ -837,6 +837,7 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
                         break;
                 }
                 break;
+                //::
 #endif
 
 #endif