diff --git a/MailAlert.php b/MailAlert.php
index 5014c99..b51d628 100644
--- a/MailAlert.php
+++ b/MailAlert.php
@@ -238,6 +238,7 @@ public static function sendCustomerAlert($id_product, $id_product_attribute)
                     'link' => $product_link,
                     'customer' => $customer,
                     'product_obj' => $product,
+		    'id_product_attribute' => $id_product_attribute,
                 ]
             );