diff --git a/htdocs/filefunc.inc.php b/htdocs/filefunc.inc.php
index 07ae3919f57..13b2d8d1669 100644
--- a/htdocs/filefunc.inc.php
+++ b/htdocs/filefunc.inc.php
@@ -8,6 +8,7 @@
  * Copyright (C) 2005 	   Simon Tosser         <simon@kornog-computing.com>
  * Copyright (C) 2006 	   Andre Cianfarani     <andre.cianfarani@acdeveloppement.net>
  * Copyright (C) 2010      Juanjo Menent        <jmenent@2byte.es>
+ * Copyright (C) 2015      Bahfir Abbes         <bafbes@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -66,15 +67,12 @@ $conffiletoshow = "htdocs/conf/conf.php";
 //$conffile = "/etc/dolibarr/conf.php";
 //$conffiletoshow = "/etc/dolibarr/conf.php";
 
-// Replace conf filename with "conf" parameter on url by GET
-if (GETPOST('conf')) 
-{
-    setcookie('dolconf', GETPOST('conf'),0,'/');
-    $conffile = 'conf/' . dol_sanitizeFileName(GETPOST('conf')) . '.php';
-} 
-else
-{
-    $conffile = 'conf/' . dol_sanitizeFileName((!empty($_COOKIE['dolconf']) ? $_COOKIE['dolconf'] : 'conf') . '.php');
+//replace conf filename with "conf" parameter on url by GET
+if (!empty($_GET['conf'])) {
+    setcookie('dolconf', $_GET['conf'],0,'/');
+    $conffile = 'conf/' . $_GET['conf'] . '.php';
+} else {
+    $conffile = 'conf/' . (!empty($_COOKIE['dolconf']) ? $_COOKIE['dolconf'] : 'conf') . '.php';
 }