diff --git a/include/nuttx/usb/usb.h b/include/nuttx/usb/usb.h
index d3c537bbcd6..5195c114b4d 100644
--- a/include/nuttx/usb/usb.h
+++ b/include/nuttx/usb/usb.h
@@ -425,4 +425,5 @@ struct usb_iaddesc_s
  * Public Functions
  ************************************************************************************/
 
-#endif // __INCLUDE_NUTTX_USB_USB_H
+#endif /* __INCLUDE_NUTTX_USB_USB_H */
+