diff --git a/includes/special/SpecialDisplayNotificationsConfiguration.php b/includes/special/SpecialDisplayNotificationsConfiguration.php
index 3afbb44a4..41d230e11 100644
--- a/includes/special/SpecialDisplayNotificationsConfiguration.php
+++ b/includes/special/SpecialDisplayNotificationsConfiguration.php
@@ -143,7 +143,7 @@ class SpecialDisplayNotificationsConfiguration extends UnlistedSpecialPage {
 		array $columnLabelMapping,
 		array $value
 	) {
-		$form = new HTMLForm(
+		$form = new OOUIHTMLForm(
 			[
 				$id => [
 					'type' => 'checkmatrix',