Yep, after restarting KStars multiple times it's working. Now my next doubt with this setup. I'm using a OnStep mount, so I need to set time and location to the mount on each boot, so I've KStars configured as:
But as soon as I add the GPS aux it changes automatically to:
So, now my Raspberry / KStars has the correct time / location, but my OnStep mount is not updated. Any solution? Or should I boot KStars first to fix location/date and then change the configuration to update the mount?