diff --git a/lib/Controller/SAMLController.php b/lib/Controller/SAMLController.php
index c0dffab..5946f80 100644
--- a/lib/Controller/SAMLController.php
+++ b/lib/Controller/SAMLController.php
@@ -163,6 +163,7 @@ class SAMLController extends Controller {
 	 * @PublicPage
 	 * @UseSession
 	 * @OnlyUnauthenticatedUsers
+	 * @NoCSRFRequired
 	 *
 	 * @param int $idp id of the idp
 	 * @return Http\RedirectResponse