diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/doc-head-open.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/doc-head-open.inc
index 1c28a75487..df2dc01355 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/doc-head-open.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/doc-head-open.inc
@@ -1,4 +1,4 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html <!-- TMPL_IF NAME="bidi" -->dir="<!-- TMPL_VAR NAME="bidi" -->"<!-- /TMPL_IF --> xmlns="http://www.w3.org/1999/xhtml">
+<html lang="<!-- TMPL_VAR NAME="lang" -->" xml:lang="<!-- TMPL_VAR NAME="lang" -->" <!-- TMPL_IF NAME="bidi" -->dir="<!-- TMPL_VAR NAME="bidi" -->"<!-- /TMPL_IF --> xmlns="http://www.w3.org/1999/xhtml">
 <head>