diff --git a/roles/home-gui/files/fonts.conf b/roles/home-gui/files/fonts.conf
index 28933a7..99cd664 100644
--- a/roles/home-gui/files/fonts.conf
+++ b/roles/home-gui/files/fonts.conf
@@ -27,6 +27,31 @@
    <const>lcddefault</const>
   </edit>
  </match>
+ <!-- Assign the basic serif, sans-serif, and monospace font families. -->
+ <match target="pattern">
+  <test qual="any" name="family">
+   <string>serif</string>
+  </test>
+  <edit mode="assign" name="family">
+   <string>Liberation Serif</string>
+  </edit>
+ </match>
+ <match target="pattern">
+  <test qual="any" name="family">
+   <string>sans-serif</string>
+  </test>
+  <edit mode="assign" name="family">
+   <string>Liberation Sans</string>
+  </edit>
+ </match>
+ <match target="pattern">
+  <test qual="any" name="family">
+   <string>monospace</string>
+  </test>
+  <edit mode="assign" name="family">
+   <string>Liberation Mono</string>
+  </edit>
+ </match>
  <!-- Substitute basic PostScript fonts with better looking ones. -->
  <match target="pattern">
   <test qual="any" name="family">