diff --git a/site/theme/template/Layout/Header.jsx b/site/theme/template/Layout/Header.jsx
index 0c26486b8..c52451399 100644
--- a/site/theme/template/Layout/Header.jsx
+++ b/site/theme/template/Layout/Header.jsx
@@ -84,10 +84,14 @@ export default class Header extends React.Component {
 
   handleLangChange = () => {
     const pathname = this.props.location.pathname;
+    const currentProtocol = location.protocol + '//';
+    const currentHref = location.href.substr(currentProtocol.length);
+    
     if (utils.isLocalStorageNameSupported()) {
       localStorage.setItem('locale', utils.isZhCN(pathname) ? 'en-US' : 'zh-CN');
     }
-    location.href = location.origin + location.pathname.replace(
+
+    location.href = currentProtocol + currentHref.replace(
       location.pathname,
       utils.getLocalizedPathname(pathname, !utils.isZhCN(pathname)),
     );