diff --git a/saml_pipelines.php b/saml_pipelines.php
index e24d607..9202288 100644
--- a/saml_pipelines.php
+++ b/saml_pipelines.php
@@ -3,9 +3,11 @@
 /* Loading simplesamlphp */
 include_spip('inc/simplesamlphp/lib/_autoload');
 
-include_spip('inc/my_auth');
+include_spip('inc/headers');
 include_spip('inc/session');
 
+include_spip('inc/my_auth');
+
 function saml_definir_session($session)
 {
   // Vérification de la connection à l'idp
@@ -15,6 +17,7 @@ function saml_definir_session($session)
     if (!$simplesaml->isAuthenticated())
     {
         my_spip_logout();
+        redirige_par_entete('/');
     }
   }
   return $session;