diff --git a/core/templates/confirmation.php b/core/templates/confirmation.php
index 7373f73fbc2..0a73699fd68 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>