diff --git a/javascript/reactjs-todo-davinci/client/components/davinci-client/social-login-button.js b/javascript/reactjs-todo-davinci/client/components/davinci-client/social-login-button.js
index 0c8646ad..bd958080 100644
--- a/javascript/reactjs-todo-davinci/client/components/davinci-client/social-login-button.js
+++ b/javascript/reactjs-todo-davinci/client/components/davinci-client/social-login-button.js
@@ -12,7 +12,7 @@ import React from 'react';
 export default function SocialLoginButton({ collector, updater, isLoading }) {
   return (
     <button
-      type="submit"
+      type="button"
       className="btn btn-primary w-100 mb-2"
       disabled={isLoading}
       onClick={async () => {
diff --git a/javascript/reactjs-todo/webpack.config.js b/javascript/reactjs-todo/webpack.config.js
index 4c0bcd1a..0d854df2 100644
--- a/javascript/reactjs-todo/webpack.config.js
+++ b/javascript/reactjs-todo/webpack.config.js
@@ -105,7 +105,7 @@ module.exports = () => {
     },
     devServer: {
       allowedHosts: ['localhost', 'react.example.com', '.example.com'],
-      https: true,
+      server: 'https',
       open: true,
       client: {
         overlay: false,