diff --git a/app/code/Magento/Sales/view/frontend/email/order_new_guest.html b/app/code/Magento/Sales/view/frontend/email/order_new_guest.html
index 0bc5e6bc46264..40d55011a035e 100644
--- a/app/code/Magento/Sales/view/frontend/email/order_new_guest.html
+++ b/app/code/Magento/Sales/view/frontend/email/order_new_guest.html
@@ -4,7 +4,7 @@
  * See COPYING.txt for license details.
  */
 -->
-<!--@subject Your {{var store.getFrontendName()}} order confirmation @-->
+<!--@subject {{trans "Your %store_name order confirmation" store_name=$store.getFrontendName()}} @-->
 <!--@vars {
 "var formattedBillingAddress|raw":"Billing Address",
 "var order.getEmailCustomerNote()":"Email Order Note",