diff --git a/src/Http/Controllers/WebhookController.php b/src/Http/Controllers/WebhookController.php
index 538aad5..105f675 100644
--- a/src/Http/Controllers/WebhookController.php
+++ b/src/Http/Controllers/WebhookController.php
@@ -53,7 +53,7 @@ private function handleAlert($notificationClass, $payload)
             return response()->noContent();
         }
 
-        (new AnonymousNotifiable)->notify(new $notificationClass($payload, $users));
+        (new AnonymousNotifiable)->notify(new $notificationClass($payload, $site->users));
 
         return response('Webhook handled');
     }