diff --git a/htdocs/languages.php b/htdocs/languages.php
index ce74dcf..28c2287 100644
--- a/htdocs/languages.php
+++ b/htdocs/languages.php
@@ -3,7 +3,7 @@
 register_lang ('fr', 
   array (
     'name'  => 'Français',
-    'loc'   => '/',
+    'loc'   => '//expolibre.org/',
     'pages' => [
     /* Conserver l'ordre !! */
       'a-propos-april-et-expolibre.php',
@@ -28,7 +28,7 @@ register_lang ('fr',
 register_lang ('en',
   array (
     'name' => 'English',
-    'loc'  => '/en/',
+    'loc'  => '//libreexpo.org/en/',
     /* Conserver l'ordre !! */
     'pages' => [
       'about-april-and-libreexpo.php',
diff --git a/htdocs/lib/i18n.php b/htdocs/lib/i18n.php
index b8d6b96..770871d 100644
--- a/htdocs/lib/i18n.php
+++ b/htdocs/lib/i18n.php
@@ -51,7 +51,10 @@ function url_translate ($url, $to) {
 /*
  * Redirect to prefered language, if needed, when referer is none or ourself
  */
-if (!isset ($_SERVER['HTTP_REFERER']) or strrpos ($_SERVER['HTTP_REFERER'], $_SERVER['SERVER_NAME']) === false) {
+$server_names= array('expolibre.org', 'www.expolibre.org', 'libreexpo.org', 'www.libreexpo.org');
+if (!isset ($_SERVER['HTTP_REFERER']) or (
+	strrpos ($_SERVER['HTTP_REFERER'], 'expolibre.org') === false and
+        strrpos ($_SERVER['HTTP_REFERER'], 'libreexpo.org') === false)) {
   if ($current_dir == "htdocs")
     $current_dir= $registered_languages['fr']['loc'];
   $prefered_dir= $registered_languages[prefered_language ()]['loc'];