diff --git a/app/code/Magento/Backend/etc/adminhtml/system.xml b/app/code/Magento/Backend/etc/adminhtml/system.xml
index 98b8e702b1c53..c762dbf58de62 100644
--- a/app/code/Magento/Backend/etc/adminhtml/system.xml
+++ b/app/code/Magento/Backend/etc/adminhtml/system.xml
@@ -323,11 +323,11 @@
For Windows server only.
-
+
Magento\Config\Model\Config\Source\Yesnocustom
-
+
validate-email
Magento\Config\Model\Config\Backend\Email\Address