diff --git a/inc/Engine/Optimization/RUCSS/Admin/Subscriber.php b/inc/Engine/Optimization/RUCSS/Admin/Subscriber.php
index 7541b107b5..fa9af3dd69 100644
--- a/inc/Engine/Optimization/RUCSS/Admin/Subscriber.php
+++ b/inc/Engine/Optimization/RUCSS/Admin/Subscriber.php
@@ -584,7 +584,7 @@ protected function is_deletion_enabled(): bool {
 		 */
 		return (bool) rocket_apply_filter_and_deprecated(
 			'rocket_saas_deletion_enabled',
-			true,
+			[ true ],
 			'3.16',
 			'rocket_rucss_deletion_enabled'
 		);