diff --git a/browser/main.pt b/browser/main.pt
index 3ad8cbe..a861ab9 100644
--- a/browser/main.pt
+++ b/browser/main.pt
@@ -2,7 +2,7 @@
              tal:define="controller nocall:view/@@controller;
                          dummy view/setupSubviews"
              tal:condition="view/update"><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"
+<html xmlns="http://www.w3.org/1999/xhtml"
       i18n:domain="zope"
       tal:define="resourceBase controller/resourceBase;
                   body view/pageBody">
