diff --git a/my-listings.sty b/my-listings.sty
index d62e2c6b8aac1bf79b0f963d1593b60202882ee9..62924444abbe7118571c912e99733302cce14329 100644
--- a/my-listings.sty
+++ b/my-listings.sty
@@ -145,7 +145,8 @@
                   {\lstset{mathescape=true,language=ADT,#1}}
                   {}
 
-\lstset{extendedchars=true, basicstyle=\ttfamily, commentstyle=\itshape, showstringspaces=false}
+\lstset{extendedchars=true, basicstyle=\ttfamily,
+  commentstyle=\itshape, texcl=true, showstringspaces=false}
 
 \newcommand{\lstusecolors}{
 \lstset{backgroundcolor=\color{gray!10}}