Edit file File name : 57-paratype-pt-sans.conf Content :<?xml version="1.0"?> <!DOCTYPE fontconfig SYSTEM "fonts.dtd"> <fontconfig> <alias> <family>sans-serif</family> <prefer> <family>PT Sans</family> </prefer> </alias> <alias> <family>PT Sans</family> <default> <family>sans-serif</family> </default> </alias> <alias> <family>PT Sans Narrow</family> <default> <family>sans-serif</family> </default> </alias> <alias binding="same"> <family>PT Sans Caption</family> <accept> <family>PT Sans</family> </accept> </alias> </fontconfig> Save