diff --git a/src/include/order/class-wc-retailcrm-order-payment.php b/src/include/order/class-wc-retailcrm-order-payment.php
index da836ee..c6a8402 100644
--- a/src/include/order/class-wc-retailcrm-order-payment.php
+++ b/src/include/order/class-wc-retailcrm-order-payment.php
@@ -58,7 +58,7 @@ class WC_Retailcrm_Order_Payment extends WC_Retailcrm_Abstracts_Data
         if (!$this->is_new) {
             $data['externalId'] = $externalId;
         } else {
-            $data['externalId'] = uniqid($order->get_id());
+            $data['externalId'] = uniqid($order->get_id() . "-");
         }
 
         $data['order'] = array(