diff --git a/modules/enforcement/commerce_stock_enforcement.module b/modules/enforcement/commerce_stock_enforcement.module
index d3e8570..296967b 100644
--- a/modules/enforcement/commerce_stock_enforcement.module
+++ b/modules/enforcement/commerce_stock_enforcement.module
@@ -11,6 +11,7 @@ use Drupal\commerce\Response\NeedsRedirectException;
 use Drupal\commerce_order\Entity\OrderInterface;
 use Drupal\commerce_product\Entity\ProductVariation;
 use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Messenger\Messenger;
 use Drupal\Core\Url;
 use Drupal\views\Form\ViewsForm;
 use Symfony\Component\HttpFoundation\RedirectResponse;
@@ -324,10 +325,11 @@ function commerce_stock_enforcement_is_order_in_stock(
     $stock_level = commerce_stock_enforcement_get_stock_level($purchased_entity, $order_context);
     if ($qty > $stock_level) {
       if ($show_warnings) {
-        drupal_set_message(t('The maximum quantity for %name that can be ordered is %qty.', [
-          '%name' => $name,
-          '%qty' => $stock_level,
-        ], 'error'));
+        \Drupal::service('messenger')->addMessage(t('The maximum quantity for %name that can be ordered is %qty.',
+          [
+            '%name' => $name,
+            '%qty'  => $stock_level,
+          ]), Messenger::TYPE_ERROR);
       }
       $order_in_stock = FALSE;
     }