diff --git a/htdocs/admin/system/dolibarr.php b/htdocs/admin/system/dolibarr.php
index 16ffaf0598f..287b8f9fd2a 100644
--- a/htdocs/admin/system/dolibarr.php
+++ b/htdocs/admin/system/dolibarr.php
@@ -64,6 +64,8 @@ print '<tr class="liste_titre"><td>'.$langs->trans("LocalisationDolibarrParamete
 $var=!$var;
 print "<tr ".$bc[$var]."><td width=\"300\">".$langs->trans("LanguageBrowserParameter","HTTP_ACCEPT_LANGUAGE")."</td><td>".$_SERVER["HTTP_ACCEPT_LANGUAGE"]."</td></tr>\n";
 $var=!$var;
+print "<tr ".$bc[$var]."><td width=\"300\">".$langs->trans("LanguageBrowserParameter","LANG")."</td><td>".$_ENV["LANG"]."</td></tr>\n";
+$var=!$var;
 print "<tr ".$bc[$var]."><td width=\"300\">".$langs->trans("LanguageParameter","PHP LC_ALL")."</td><td>".setlocale(LC_ALL,0)."</td></tr>\n";
 $var=!$var;
 print "<tr ".$bc[$var]."><td width=\"300\">".$langs->trans("LanguageParameter","PHP LC_NUMERIC")."</td><td>".setlocale(LC_NUMERIC,0)."</td></tr>\n";