diff --git a/htdocs/admin/tools/dolibarr_export.php b/htdocs/admin/tools/dolibarr_export.php
index 0e12ed41b22..a481969c7a4 100644
--- a/htdocs/admin/tools/dolibarr_export.php
+++ b/htdocs/admin/tools/dolibarr_export.php
@@ -41,7 +41,7 @@ $formfile = new FormFile($db);
 llxHeader('','','EN:Backups|FR:Sauvegardes|ES:Copias_de_seguridad');
 
 ?>
-<script type="text/javascript" language="javascript">
+<script type="text/javascript">
 jQuery(document).ready(function() {
 
 	function hideoptions () {
diff --git a/htdocs/admin/tools/dolibarr_import.php b/htdocs/admin/tools/dolibarr_import.php
index b38436ed7b6..b2423f7eae2 100644
--- a/htdocs/admin/tools/dolibarr_import.php
+++ b/htdocs/admin/tools/dolibarr_import.php
@@ -37,7 +37,7 @@ if (! $user->admin)
 llxHeader('','','EN:Restores|FR:Restaurations|ES:Restauraciones');
 
 ?>
-<script type="text/javascript" language="javascript">
+<script type="text/javascript">
 jQuery(document).ready(function() {
 	jQuery("#mysql_options").<?php echo GETPOST('radio_dump')=='mysql_options'?'show()':'hide()'; ?>;
 	jQuery("#postgresql_options").<?php echo GETPOST('radio_dump')=='postgresql_options'?'show()':'hide()'; ?>;
diff --git a/htdocs/install/etape1.php b/htdocs/install/etape1.php
index 0882e33cc6c..f1da07fa947 100644
--- a/htdocs/install/etape1.php
+++ b/htdocs/install/etape1.php
@@ -650,7 +650,7 @@ if (! $error && $db->connected && $action == "set")
 
 ?>
 
-<script type="text/javascript" language="javascript">
+<script type="text/javascript">
 function jsinfo()
 {
 	ok=true;
diff --git a/htdocs/install/fileconf.php b/htdocs/install/fileconf.php
index bac965cbfeb..9c5e21fbf3e 100644
--- a/htdocs/install/fileconf.php
+++ b/htdocs/install/fileconf.php
@@ -430,7 +430,7 @@ if (! empty($force_install_message))
 
 </table>
 
-<script type="text/javascript" language="javascript">
+<script type="text/javascript">
 jQuery(document).ready(function() {
 	function init_needroot()
 	{