diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h
index bfd670fa16b2d50afb28a5e8786fee13038e484a..915edd319f34cfda8e5c78ddc5d28bdebe810392 100644
--- a/include/linux/dvb/frontend.h
+++ b/include/linux/dvb/frontend.h
@@ -251,6 +251,7 @@ struct dvb_frontend_event {
  * binary compatability.
  */
 typedef enum dtv_cmd_types {
+	DTV_UNDEFINED,
 	DTV_TUNE,
 	DTV_CLEAR,