diff --git a/modules.local/ppcp-webhooks/src/IncomingWebhookEndpoint.php b/modules.local/ppcp-webhooks/src/IncomingWebhookEndpoint.php
index bc5eee2e6..029def8fe 100644
--- a/modules.local/ppcp-webhooks/src/IncomingWebhookEndpoint.php
+++ b/modules.local/ppcp-webhooks/src/IncomingWebhookEndpoint.php
@@ -59,6 +59,9 @@ class IncomingWebhookEndpoint
                 return $response;
             }
         }
+
+        $response = ['success' => false];
+        return rest_ensure_response($response);
     }
 
     public function url() : string {