--- /dev/null
+<?xml version="1.0"?>
+<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
+<fontconfig>
+<!--
+ If the font still has no generic name, add sans-serif
+ -->
+ <match target="pattern">
+ <test qual="all" name="family" compare="not_eq">
+ <string>sans-serif</string>
+ </test>
+ <test qual="all" name="family" compare="not_eq">
+ <string>serif</string>
+ </test>
+ <test qual="all" name="family" compare="not_eq">
+ <string>monospace</string>
+ </test>
+ <edit name="family" mode="append_last">
+ <string>sans-serif</string>
+ </edit>
+ </match>
+</fontconfig>