diff --git a/res/fonts/conf.d/10-scale-bitmap-fonts.conf b/res/fonts/conf.d/10-scale-bitmap-fonts.conf
index b20b52e..b4e9cb4 100644
--- a/res/fonts/conf.d/10-scale-bitmap-fonts.conf
+++ b/res/fonts/conf.d/10-scale-bitmap-fonts.conf
@@ -12,7 +12,10 @@
     <bool>false</bool>
   </test>
   <edit name="pixelsizefixupfactor" mode="assign">
-    <double>0.15</double>
+    <divide>
+      <name target="pattern">pixelsize</name>
+      <name target="font"   >pixelsize</name>
+    </divide>
   </edit>
 </match>
 <!--