From 7431c276fd6558f59f4b0b500f860a6795d77b20 Mon Sep 17 00:00:00 2001
From: Max Pronko <max.pronko@gmail.com>
Date: Thu, 2 Mar 2017 14:54:06 +0000
Subject: [PATCH] magento/magento2#8618: Apply coupon code button issue on
 Checkout

- fixed issue with assigning coupon_code value from totals.
---
 .../SalesRule/view/frontend/web/js/view/payment/discount.js   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/code/Magento/SalesRule/view/frontend/web/js/view/payment/discount.js b/app/code/Magento/SalesRule/view/frontend/web/js/view/payment/discount.js
index 0dd16d11a41e4..ab7832c76e4bc 100644
--- a/app/code/Magento/SalesRule/view/frontend/web/js/view/payment/discount.js
+++ b/app/code/Magento/SalesRule/view/frontend/web/js/view/payment/discount.js
@@ -15,12 +15,14 @@ define([
 
     var totals = quote.getTotals(),
         couponCode = ko.observable(null),
-        isApplied = ko.observable(couponCode() != null);
+        isApplied;
 
     if (totals()) {
         couponCode(totals()['coupon_code']);
     }
 
+    isApplied = ko.observable(couponCode() != null);
+    
     return Component.extend({
         defaults: {
             template: 'Magento_SalesRule/payment/discount'