diff --git a/install-new/classes/session.php b/install-new/classes/session.php
index fd6a10d1c..f0eb1eb58 100644
--- a/install-new/classes/session.php
+++ b/install-new/classes/session.php
@@ -41,6 +41,7 @@ class InstallSession
 
 	public function __construct()
 	{
+		session_name('install_'.md5(__PS_BASE_URI__));
 		session_start();
 	}