diff --git a/cls2tex.sh b/cls2tex.sh
index 35c4848..912ed23 100755
--- a/cls2tex.sh
+++ b/cls2tex.sh
@@ -4,7 +4,7 @@
 
 cat $1 \
 	| egrep '(^%$3|^\\\\edef\\\\$*@[A-Z][A-Z]+)' \
-	| sed 's/^\(\\\\edef\\\\\)$*@/%$3\\1/'\
+	| sed 's/^\(\\\\edef\\\\\)$*@/%$3\\1/' \
 	| sed 's/%$3%%%% \(.*\)/%$3\\\\subsubsection{\1}\\\\label{subsubsec:\1}/' \
 	| sed 's/%$3%%% \(.*\)/%$3\\\\subsection{\1}\\\\label{subsec:\1}/' \
 	| sed 's/%$3%% \(.*\)/%$3\\\\section{\1}\\\\label{sec:\1}/' \