diff --git a/htdocs/core/tpl/login.tpl.php b/htdocs/core/tpl/login.tpl.php
index 6407ac12ed16c8142258abcfb578c8546731d5ba..6e8cb9159de1ed54d529dd93ec117ac3486b9fa8 100644
--- a/htdocs/core/tpl/login.tpl.php
+++ b/htdocs/core/tpl/login.tpl.php
@@ -24,6 +24,7 @@ header("Content-type: text/html; charset=".$conf->file->character_set_client);
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 <!-- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> -->
 <!-- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> -->
+<!-- <!DOCTYPE html> -->
 <!-- Ce DTD est KO car inhibe document.body.scrollTop -->
 <!-- <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> -->
 
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 8c1ddc5f2f8fa5028144b0db8e8bc5577b6760c4..d19ff01458011c960dd82ca09f20d6b518948b5f 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -832,6 +832,7 @@ function top_htmlhead($head, $title='', $disablejs=0, $disablehead=0, $arrayofjs
 	//print '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/strict.dtd">';
 	//print '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
 	//print '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">';
+	//print '<!DOCTYPE html>';
 	print "\n";
 	print "<html>\n";
 	//print '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="fr">'."\n";