diff --git a/lib/createLiveStyleApp.js b/lib/createLiveStyleApp.js
index <HASH>..<HASH> 100644
--- a/lib/createLiveStyleApp.js
+++ b/lib/createLiveStyleApp.js
@@ -91,7 +91,7 @@ module.exports = function createLiveStyleApp(options) {
         var selfRedirectUrlRegExp = new RegExp('^' + proxyUrl.protocol + '//' + proxyUrl.host.replace(/[\.\+\*\?\{\}\[\]\(\)]/g, '\\$&') + '/');
         app.use(function (req, res) {
             // Pass on the host header so servers further down the line can use it
-            req.headers.Host = req.headers.host;
+            req.headers.Host = proxyUrl.host;
 
             var targetUrl = proxyUrl.protocol + '//' + proxyUrl.host + req.url,
                 upstreamRequest = request({
Use the host name provided in proxy settings to let recieving server determine host name correctly