diff --git a/gulp/server.js b/gulp/server.js
index 777100f6..6c61273e 100644
--- a/gulp/server.js
+++ b/gulp/server.js
@@ -6,31 +6,31 @@ var browserSync = require('browser-sync');
 var httpProxy = require('http-proxy');
 
 /* This configuration allow you to configure browser sync to proxy your backend */
-/*
- var proxyTarget = 'http://localhost/context/'; // The location of your backend
- var proxyApiPrefix = 'api'; // The element in the URL which differentiate between API request and static file request
+
+ var proxyTarget = 'http://localhost:8000/'; // The location of your backend
+ var proxyApiPrefix = '/api/'; // The element in the URL which differentiate between API request and static file request
  var proxy = httpProxy.createProxyServer({
- target: proxyTarget
+     target: proxyTarget
  });
  function proxyMiddleware(req, res, next) {
- if (req.url.indexOf(proxyApiPrefix) !== -1) {
- proxy.web(req, res);
- } else {
- next();
+     if (req.url.indexOf(proxyApiPrefix) !== -1) {
+         proxy.web(req, res);
+     } else {
+         next();
+     }
  }
- }
- */
 
 function browserSyncInit(baseDir, files, browser) {
   browser = browser === undefined ? 'default' : browser;
 
   browserSync.instance = browserSync.init(files, {
     startPath: '/index.html',
-    server: {
-      baseDir: baseDir,
-      routes: {
-        '/bower_components': './bower_components'
-      }
+      server: {
+          middleware: [proxyMiddleware],
+          baseDir: baseDir,
+          routes: {
+              '/bower_components': './bower_components'
+          }
     },
     browser: browser,
     ghostMode: false
diff --git a/lemur/auth/views.py b/lemur/auth/views.py
index 98ba747d..0c319b5b 100644
--- a/lemur/auth/views.py
+++ b/lemur/auth/views.py
@@ -343,8 +343,9 @@ class Ping(Resource):
         )
 
         jwks_url = current_app.config.get('PING_JWKS_URL')
-        validate_id_token(id_token, args['clientId'], jwks_url)
-
+        error_code = validate_id_token(id_token, args['clientId'], jwks_url)
+        if error_code:
+            return error_code
         user, profile = retrieve_user(user_api_url, access_token)
         roles = create_user_roles(profile)
         update_user(user, profile, roles)
@@ -392,7 +393,9 @@ class OAuth2(Resource):
         )
 
         jwks_url = current_app.config.get('PING_JWKS_URL')
-        validate_id_token(id_token, args['clientId'], jwks_url)
+        error_code = validate_id_token(id_token, args['clientId'], jwks_url)
+        if error_code:
+            return error_code
 
         user, profile = retrieve_user(user_api_url, access_token)
         roles = create_user_roles(profile)