diff --git a/settings/templates/apps.php b/settings/templates/apps.php
index 1838465f9ce..3168fd8beeb 100644
--- a/settings/templates/apps.php
+++ b/settings/templates/apps.php
@@ -139,7 +139,7 @@ script(
 		</div>
 
 		<div id="app-settings-content" class="apps-experimental">
-			<input type="checkbox" id="enable-experimental-apps" <?php if($_['experimentalEnabled']) { print_unescaped('checked="checked"'); }?>>
+			<input type="checkbox" id="enable-experimental-apps" <?php if($_['experimentalEnabled']) { print_unescaped('checked="checked"'); }?> class="checkbox">
 			<label for="enable-experimental-apps"><?php p($l->t('Enable experimental apps')) ?></label>
 			<p>
 				<small>