Oversight from 8d302f5ebc , which requires
this to work. I couldn't test it as I ended up wiping my UBI volume by
accident.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16580
Signed-off-by: Robert Marko <robimarko@gmail.com>