diff --git a/core/templates/confirmation.php b/core/templates/confirmation.php
index 7373f73fbc2aa..0a73699fd6842 100644
--- a/core/templates/confirmation.php
+++ b/core/templates/confirmation.php
@@ -7,7 +7,7 @@
 /** @var \OCP\IL10N $l */
 /** @var \OCP\Defaults $theme */
 ?>
-<div class="update">
+<div class="guest-box">
 	<form method="POST">
 		<h2><?php p($_['title']) ?></h2>
 		<p><?php p($_['message']) ?></p>
diff --git a/core/templates/success.php b/core/templates/success.php
index 2493fe9a095ba..3b9a236048205 100644
--- a/core/templates/success.php
+++ b/core/templates/success.php
@@ -8,7 +8,7 @@
 /** @var \OCP\Defaults $theme */
 ?>
 
-<div class="update">
+<div class="guest-box">
 	<h2><?php p($_['title']) ?></h2>
 	<p><?php p($_['message']) ?></p>
 	<p><a class="button primary" href="<?php p(\OC::$server->get(\OCP\IURLGenerator::class)->linkTo('', 'index.php')) ?>">