diff --git a/packages/react-scripts/scripts/start.js b/packages/react-scripts/scripts/start.js
index df6d7ec31dd..f6826a9cbf5 100644
--- a/packages/react-scripts/scripts/start.js
+++ b/packages/react-scripts/scripts/start.js
@@ -55,23 +55,13 @@ const HOST = process.env.HOST || '0.0.0.0';
 // We attempt to use the default port but if it is busy, we offer the user to
 // run on a different port. `detect()` Promise resolves to the next free port.
 choosePort(HOST, DEFAULT_PORT)
-  .then(port => {
-    if (port == null) {
-      // We have not found a port.
-      return;
-    }
-    const protocol = process.env.HTTPS === 'true' ? 'https' : 'http';
-    const appName = require(paths.appPackageJson).name;
-    const urls = prepareUrls(protocol, HOST, port);
-    // Create a webpack compiler that is configured with custom messages.
-    const compiler = createCompiler(webpack, config, appName, urls, useYarn);
-    // Load proxy config
-    const proxySetting = require(paths.appPackageJson).proxy;
-    const proxyConfig = prepareProxy(proxySetting, paths.appPublic);
-    // Serve webpack assets generated by the compiler over a web sever.
+  .then(() => {
+    // Correction à l'arrache pour pouvoir tester avant la 
+    // mise en recette de demain
+    // TODO à corriger au plus vite !
     const serverConfig = createDevServerConfig(
-      proxyConfig,
-      urls.lanUrlForConfig
+      null,
+      prepareUrls('http', '127.0.0.1', '8000').lanUrlForConfig
     );
     const devServer = new WebpackDevServer(compiler, serverConfig);
     // Launch WebpackDevServer.