diff --git a/src/components/views/login/ServerConfig.js b/src/components/views/login/ServerConfig.js
index fd487b25ef..634bb4aac2 100644
--- a/src/components/views/login/ServerConfig.js
+++ b/src/components/views/login/ServerConfig.js
@@ -52,6 +52,8 @@ module.exports = React.createClass({
         return {
             onHsUrlChanged: function() {},
             onIsUrlChanged: function() {},
+            customHsUrl: "",
+            customIsUrl: "",
             withToggleButton: false,
             delayTimeMs: 0
         };