diff --git a/cosmogramme/php/_init.php b/cosmogramme/php/_init.php
index b738723d7486359a828ffb1cf8c9a730cdc42930..2bc3a250266dca366c589feb5e7585c0fdec2d42 100644
--- a/cosmogramme/php/_init.php
+++ b/cosmogramme/php/_init.php
@@ -33,10 +33,10 @@ date_default_timezone_set('Europe/Paris');
 
 require_once 'classe_cosmopaths.php';
 $cosmo_path = new CosmoPaths();
-$site = '/' . $cosmo_path->getSite() . '/';
+$site = '/';
 $cfgfile = $cosmo_path->getConfigPath();
 
-define('BASE_URL', $cosmo_path->getBaseUrl());
+define('BASE_URL', '');
 define('USERFILESPATH', $cosmo_path->getUserfilesPath());
 
 
diff --git a/cosmogramme/php/classes/classe_cosmopaths.php b/cosmogramme/php/classes/classe_cosmopaths.php
index 1b601c610fb0d9a4d1f4ca0ac12e1b1d2a699975..b383f123d8748eff1940193936425790d002143d 100644
--- a/cosmogramme/php/classes/classe_cosmopaths.php
+++ b/cosmogramme/php/classes/classe_cosmopaths.php
@@ -62,7 +62,7 @@ class CosmoPaths {
 
 
 	public function getBaseUrl() {
-		return '/' . $this->getSite() . '/';
+		return '/';
 	}
 
 
diff --git a/includes.php b/includes.php
index 9e7bbb81843ba980de79c41cbc4d63865ff5f18f..08d3633846750d5087c7e4562b7184eeceeca58d 100644
--- a/includes.php
+++ b/includes.php
@@ -16,7 +16,7 @@
  *
  * You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
  * along with BOKEH; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA 
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
  */
 $base_path = realpath(dirname(__FILE__));
 set_include_path($base_path . '/library' . PATH_SEPARATOR .
@@ -26,14 +26,6 @@ set_include_path($base_path . '/library' . PATH_SEPARATOR .
 
 // Includes de base
 include_once "local.php";
-$site= substr($_SERVER['SCRIPT_NAME'], 1, strpos($_SERVER['SCRIPT_NAME'], "index.php") -2);
-$parts=explode('/', $site);
-if(!file_exists("../" . end($parts))) {
-	echo "Erreur de vhost !" ;
-	exit ;
-}
-
-define("BASE_URL", "/" . $site) ;
 
 function rootUrl() {
 	return (!isset($_SERVER['HTTPS']) || !$_SERVER['HTTPS'] || $_SERVER['HTTPS'] == 'off' ? 'http://' : 'https://')
@@ -42,6 +34,7 @@ function rootUrl() {
 }
 define('ROOT_URL', rootUrl());
 
+define("BASE_URL", "") ;
 include_once "fonctions/fonctions.php";
 require_once "Zend/Loader.php";
 require_once "library/startup.php";