diff --git a/default.latex b/default.latex
index d7b9b00c0..c6d60484e 100644
--- a/default.latex
+++ b/default.latex
@@ -6,6 +6,8 @@
 \usepackage{fixltx2e} % provides \textsubscript
 % use microtype if available
 \IfFileExists{microtype.sty}{\usepackage{microtype}}{}
+% use upquote if available, for straight quotes in verbatim environments
+\IfFileExists{upquote.sty}{\usepackage{upquote}}{}
 \ifnum 0\ifxetex 1\fi\ifluatex 1\fi=0 % if pdftex
   \usepackage[utf8]{inputenc}
 $if(euro)$