diff --git a/xml2xslt.xsl b/xml2xslt.xsl
index 6d31f96..b90e463 100644
--- a/xml2xslt.xsl
+++ b/xml2xslt.xsl
@@ -204,7 +204,7 @@
 \defaultfontfeatures{Mapping=tex-text}
 \setmainfont{TeX Gyre Pagella}
 \setsansfont[Scale=MatchUppercase,BoldFont={Gill Sans}]{Gill Sans Light}
-\setmonofont[Scale=MatchUppercase]{Letter Gothic 12 Pitch}
+\setmonofont[Scale=MatchLowercase]{Letter Gothic 12 Pitch}
 \setmathsfont(Latin,Digits){TeX Gyre Pagella}
 
 % Hack to prevent digits in hyperlinks from being set in the main font instead of the mono font.