I am not sure about that warning, I remember seeing it before but either I maybe deleted it?
just checked laptop and there is no warning there either, but can confirm the same problem Maurice reported,
putting other hosts in aliases inside the quotes does that but goes away when done the way I described... strange!
also @mauricev I don't believe you need to alias your local box like that it already knows its base from the hostname=
but I may be wrong.