diff --git a/module_usb_audio/usb_buffer/usb_buffer.xc b/module_usb_audio/usb_buffer/usb_buffer.xc
index d4045f1c..e6671aee 100644
--- a/module_usb_audio/usb_buffer/usb_buffer.xc
+++ b/module_usb_audio/usb_buffer/usb_buffer.xc
@@ -623,6 +623,7 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
                     break;
             }
             break;
+            //::
 #endif
 #endif