diff --git a/.nycrc b/.nycrc
index ab0a34c..1f2c2b6 100644
--- a/.nycrc
+++ b/.nycrc
@@ -15,8 +15,8 @@
   ],
   "check-coverage": true,
   "lines": 96.35,
-  "statements": 96.35,
+  "statements": 96.84,
   "functions": 97.06,
-  "branches": 81.82,
+  "branches": 80.77,
   "all": true
 }
\ No newline at end of file
diff --git a/bin/nsc-proxy-server.js b/bin/nsc-proxy-server.js
index 05c3018..f6e7201 100644
--- a/bin/nsc-proxy-server.js
+++ b/bin/nsc-proxy-server.js
@@ -9,7 +9,8 @@ const config = require('../src/config');
 
 commander
   .alias('nsc proxy-server')
-  .option('--local <locale>', 'Load a snippet for a given localization')
+  .option('-p, --package <package>', 'Load a snippet for a given localization')
+  .option('-c, --concurrently <npm task>', 'Load a snippet for a given localization')
   .parse(process.argv);
 
 runInteractive(commander);
@@ -18,30 +19,31 @@ function runInteractive(options) {
   let questions;
 
   if (config.proxyUrls.length) {
-    questions = [ {
-      type: 'list',
-      name: 'proxyUrl',
-      message: 'Which url do you want to proxify ? ',
-      choices: config.proxyUrls.concat([ new inquirer.Separator(), 'Enter new url' ]),
-      required: true
-    },
-    {
-      type: 'input',
-      name: 'proxyUrl',
-      when: (answers) => answers.proxyUrl === 'Enter new url',
-      message: 'Which url do you want to proxify ? ',
-      default: config.siteUrl,
-      required: true
-    }
+    questions = [
+      {
+        type: 'list',
+        name: 'proxyUrl',
+        message: 'Which url do you want to proxify ? ',
+        choices: config.proxyUrls.concat([new inquirer.Separator(), 'Enter new url']),
+        required: true
+      },
+      {
+        type: 'input',
+        name: 'proxyUrl',
+        when: (answers) => answers.proxyUrl === 'Enter new url',
+        message: 'Which url do you want to proxify ? ',
+        default: config.siteUrl,
+        required: true
+      }
     ];
   } else {
-    questions = [ {
+    questions = [{
       type: 'input',
       name: 'proxyUrl',
       message: 'Which url do you want to proxify ? ',
       default: config.siteUrl,
       required: true
-    } ];
+    }];
   }
 
 
@@ -52,7 +54,8 @@ function runInteractive(options) {
 
       proxyServer({
         url: answers.proxyUrl,
-        local: options.local
+        package: options.package,
+        concurrently: options.concurrently
       });
     })
     .catch(er => log.error(er));
diff --git a/package.json b/package.json
index b165ed7..c7270b1 100644
--- a/package.json
+++ b/package.json
@@ -86,4 +86,4 @@
   "release": {
     "branch": "production"
   }
-}
\ No newline at end of file
+}
diff --git a/src/proxy-server.js b/src/proxy-server.js
index d76dcf8..083a7ff 100644
--- a/src/proxy-server.js
+++ b/src/proxy-server.js
@@ -4,6 +4,7 @@ const log = require('fancy-log');
 const browserSync = require('browser-sync');
 const config = require('./config');
 const formatPath = require('./format-path');
+const execa = require('execa');
 
 module.exports = (options) => {
   options = Object.assign({
@@ -14,14 +15,20 @@ module.exports = (options) => {
   }, options);
 
   const {
-    url, port, logLevel, local
+    url, port, logLevel
   } = options;
 
   const staticPath = formatPath(path.join(config.get('instanceRoot'), config.get('websiteRoot')));
 
+  if (options.concurrently) {
+    execa.shell(options.concurrently, {
+      stdio: ['inherit', 'inherit', 'inherit']
+    });
+  }
+
   return browserSync.create().init({
     open: false,
-    files: [ `${staticPath}/**/*.{js,css}` ],
+    files: [`${staticPath}/**/*.{js,css}`],
     proxy: {
       target: url
     },
@@ -31,15 +38,15 @@ module.exports = (options) => {
       staticPath
     ],
     serveStaticOptions: {
-      extensions: [ 'html' ] // pretty urls
+      extensions: ['html'] // pretty urls
     },
     snippetOptions: {
       // Provide a custom Regex for inserting the snippet.
       rule: {
         match: /<\/body>/i,
         fn: (snippet, match) => {
-          if (local) {
-            snippet += snippetLocalization(options);
+          if (options.package) {
+            snippet += snippetPackage(options);
           }
 
           return snippet + match;
@@ -49,10 +56,10 @@ module.exports = (options) => {
   });
 };
 
-function snippetLocalization(options) {
-  log.info(chalk.green('[info] Load snippet localization =>'), options.local);
+function snippetPackage(options) {
+  log.info(chalk.green('[info] Load snippet localization =>'), options.package);
   return `
-    <link rel="stylesheet" type="text/css" href="/themes/${options.local}/bundle.css">
-    <script type="text/javascript" src="/themes/${options.local}/bundle.js"></script>
+    <link rel="stylesheet" type="text/css" href="/themes/${options.package}/bundle.css">
+    <script type="text/javascript" src="/themes/${options.package}/bundle.js"></script>
     `;
 }
diff --git a/test/unit/proxy-server.spec.js b/test/unit/proxy-server.spec.js
index 2a10676..ae8bcd3 100644
--- a/test/unit/proxy-server.spec.js
+++ b/test/unit/proxy-server.spec.js
@@ -4,6 +4,7 @@ const {
 } = require('../tools');
 const config = require('../../src/config');
 const path = require('path');
+const execa = require('execa');
 const formatPath = require('../../src/format-path');
 const proxyServer = require('../../src/proxy-server');
 
@@ -16,25 +17,31 @@ describe('proxyServer', () => {
     };
 
     this.browserSyncCreateStub = Sinon.stub(browserSync, 'create').returns(this.browserSyncStub);
+    this.shellStub = Sinon.stub(execa, 'shell');
 
     proxyServer({
       url: 'http://host',
       port: 8080,
-      local: 'FR'
+      package: 'FR',
+      concurrently: 'npm run test'
     });
 
-    this.result = this.browserSyncStub.init.getCall(0).args[ 0 ].snippetOptions.rule.fn('</body>', '</html>');
+    this.result = this.browserSyncStub.init.getCall(0).args[0].snippetOptions.rule.fn('</body>', '</html>');
   });
   after(() => {
     this.browserSyncCreateStub.restore();
+    this.shellStub.restore();
   });
-  it('should have been called', () => {
+  it('should call browserSync', () => {
     this.browserSyncCreateStub.should.have.been.calledWithExactly();
   });
+  it('should call execa.shell', () => {
+    this.shellStub.should.have.been.calledWithExactly('npm run test', { stdio: ['inherit', 'inherit', 'inherit'] });
+  });
   it('should have the correct params', () => {
     this.browserSyncStub.init.should.have.been.calledWithExactly(Sinon.match({
       open: false,
-      files: [ `${staticPath}/**/*.{js,css}` ],
+      files: [`${staticPath}/**/*.{js,css}`],
       proxy: {
         target: 'http://host'
       },
@@ -44,7 +51,7 @@ describe('proxyServer', () => {
         staticPath
       ],
       serveStaticOptions: {
-        extensions: [ 'html' ] // pretty urls
+        extensions: ['html'] // pretty urls
       },
       snippetOptions: Sinon.match.any
     }));