diff --git a/src/PaymentMethods/PaymentMethodCallback.php b/src/PaymentMethods/PaymentMethodCallback.php
index cb9fc89..4300008 100644
--- a/src/PaymentMethods/PaymentMethodCallback.php
+++ b/src/PaymentMethods/PaymentMethodCallback.php
@@ -220,7 +220,7 @@ public function process_callback(): void {
 
             // If MultiSafepay transaction status is completed, payment_complete function will handle the order status change
             if ( $this->get_multisafepay_transaction_status() === Transaction::COMPLETED ) {
-                $this->order->payment_complete( 'PSP ID: ' . $this->get_multisafepay_transaction_id() );
+                $this->order->payment_complete( $this->get_multisafepay_transaction_id() );
             }
 
             // If MultiSafepay transaction status is not completed and not initialized, process the notification according order status settings