diff --git a/src/WebformCivicrmPostProcess.php b/src/WebformCivicrmPostProcess.php
index 6f918dfbb..6ff2b3d3a 100644
--- a/src/WebformCivicrmPostProcess.php
+++ b/src/WebformCivicrmPostProcess.php
@@ -2085,7 +2085,9 @@ private function submitIPNPayment() {
       $paymentProcessor->doPayment($params);
     }
     catch (\Civi\Payment\Exception\PaymentProcessorException $e) {
-      drupal_set_message(ts('Payment approval failed with message: ') . $e->getMessage(),'error');
+      \Drupal::messenger()->addError(ts('Payment approval failed with message: %error ', [
+        '%error' =>  $e->getMessage(),
+      ]));
       \CRM_Utils_System::redirect($this->getIpnRedirectUrl('cancel'));
     }