From e0ce5aaa5a0ce5f3faf16c8eec8b7bfe6e788c95 Mon Sep 17 00:00:00 2001
From: Cristian Sanclemente <cristian.sanclemente@interactiv4.com>
Date: Sat, 4 Nov 2017 17:32:11 +0100
Subject: [PATCH] Add required-entry

---
 app/code/Magento/Customer/etc/adminhtml/system.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/code/Magento/Customer/etc/adminhtml/system.xml b/app/code/Magento/Customer/etc/adminhtml/system.xml
index c6e6208f3e0e2..fa1566af0c943 100644
--- a/app/code/Magento/Customer/etc/adminhtml/system.xml
+++ b/app/code/Magento/Customer/etc/adminhtml/system.xml
@@ -199,7 +199,7 @@
                     <label>Number of Lines in a Street Address</label>
                     <backend_model>Magento\Customer\Model\Config\Backend\Address\Street</backend_model>
                     <comment>Valid range: 1-4</comment>
-                    <validate>validate-digits validate-digits-range digits-range-1-4</validate>
+                    <validate>required-entry validate-digits validate-digits-range digits-range-1-4</validate>
                 </field>
                 <field id="prefix_show" translate="label comment" type="select" sortOrder="20" showInDefault="1" showInWebsite="1" showInStore="0">
                     <label>Show Prefix</label>