diff --git a/src/Payment/MollieOrderService.php b/src/Payment/MollieOrderService.php
index ede0c6d0..43533281 100644
--- a/src/Payment/MollieOrderService.php
+++ b/src/Payment/MollieOrderService.php
@@ -179,7 +179,9 @@ public function onWebhookAction()
             ));
         }
 
-        do_action($this->pluginId . '_after_webhook_action', $payment, $order);
+        if ($payment instanceof Payment) {
+            do_action($this->pluginId . '_after_webhook_action', $payment, $order);
+        }
         // Status 200
     }
     /**