diff --git a/Doc/ref.tex b/Doc/ref.tex
index ae1a13e..a61c2de 100644
--- a/Doc/ref.tex
+++ b/Doc/ref.tex
@@ -1,4 +1,4 @@
-\documentstyle[twoside,11pt,myformat,html]{report}
+\documentstyle[twoside,11pt,myformat]{report}
 
 \title{Python Reference Manual}