diff --git a/app/Utils/Traits/SubscriptionHooker.php b/app/Utils/Traits/SubscriptionHooker.php
index bf33da13a494..f8dc0a1b97e8 100644
--- a/app/Utils/Traits/SubscriptionHooker.php
+++ b/app/Utils/Traits/SubscriptionHooker.php
@@ -26,7 +26,9 @@ trait SubscriptionHooker
             'X-Requested-With' => 'XMLHttpRequest',
         ];
 
-        if (!isset($subscription->webhook_configuration['post_purchase_url']) && !isset($subscription->webhook_configuration['post_purchase_rest_method'])) {
+        $post_purchase_rest_method = &$subscription->webhook_configuration['post_purchase_rest_method'];
+
+        if (!isset($subscription->webhook_configuration['post_purchase_url']) && !$post_purchase_rest_method) {
             return [];
         }