diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index cdc6e4eb67c..0f4391a692f 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -71,6 +71,7 @@ else
 		      );
 			
       $aDol = new DOLIAuth("DB", $params, "loginfunction");
+      $aDol->setSessionName($dolibarr_main_db_name);
       $aDol->start();
       $result = $aDol->getAuth();
       if ($result)
diff --git a/htdocs/user/logout.php b/htdocs/user/logout.php
index bb73a1bbdcf..24265de1eea 100644
--- a/htdocs/user/logout.php
+++ b/htdocs/user/logout.php
@@ -22,8 +22,9 @@
  *
  */
 
-/*! \file htdocs/user/logout.php
-        \brief  Fichier de deconnexion
+/**
+        \file       htdocs/user/logout.php
+        \brief      Fichier de deconnexion
 */
 
 if (!empty ($_SERVER["REMOTE_USER"]))
@@ -35,6 +36,7 @@ define('DOL_DOCUMENT_ROOT', $dolibarr_main_document_root);
 require_once "../includes/pear/Auth/Auth.php";
 
 $a = new DOLIAuth("DB");
+$a->setSessionName($dolibarr_main_db_name);
 $a->setShowLogin (false);
 $a->start();
 if ($a->getAuth())