diff --git a/install-dev/classes/session.php b/install-dev/classes/session.php
index 88cd775bf..1bc8fa4d2 100644
--- a/install-dev/classes/session.php
+++ b/install-dev/classes/session.php
@@ -48,8 +48,7 @@ class InstallSession
 			InstallSession::$_cookie_mode = true;
 			InstallSession::$_cookie = new Cookie('ps_install', null, time() + 7200, null, true);
 		}
-		else
-			$_SESSION['session_mode'] = 'session';
+		$_SESSION['session_mode'] = 'session';
 	}
 
 	public function clean()