diff --git a/htdocs/menu.class.php b/htdocs/core/menu.class.php
similarity index 98%
rename from htdocs/menu.class.php
rename to htdocs/core/menu.class.php
index d7b9f03797c..49a8abb6ea4 100644
--- a/htdocs/menu.class.php
+++ b/htdocs/core/menu.class.php
@@ -18,7 +18,7 @@
  */
 
 /**
- *  \file       htdocs/menu.class.php
+ *  \file       htdocs/core/menu.class.php
  *  \brief      Fichier de la classe de gestion du menu gauche
  *  \version    $Id$
  */
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 2394b41775f..7dde27f1aac 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -186,7 +186,7 @@ if ($conf->file->main_force_https)
 
 
 // Chargement des includes complementaires de presentation
-if (! defined('NOREQUIREMENU')) require_once(DOL_DOCUMENT_ROOT ."/menu.class.php");			// Need 10ko memory (11ko in 2.2)
+if (! defined('NOREQUIREMENU')) require_once(DOL_DOCUMENT_ROOT ."/core/menu.class.php");			// Need 10ko memory (11ko in 2.2)
 if (! defined('NOREQUIREHTML')) require_once(DOL_DOCUMENT_ROOT ."/html.form.class.php");	// Need 660ko memory (800ko in 2.2)
 if (! defined('NOREQUIREAJAX') && $conf->use_javascript_ajax) require_once(DOL_DOCUMENT_ROOT.'/lib/ajax.lib.php');	// Need 22ko memory
 //stopwithmem();