diff --git a/web/index.html b/web/index.html
index f338346..c51099c 100644
--- a/web/index.html
+++ b/web/index.html
@@ -1,59 +1,43 @@
 <!DOCTYPE html>
 <html>
 <head>
-  <!--
-    If you are serving your web app in a path other than the root, change the
-    href value below to reflect the base path you are serving from.
+    <!--
+      If you are serving your web app in a path other than the root, change the
+      href value below to reflect the base path you are serving from.
 
-    The path provided below has to start and end with a slash "/" in order for
-    it to work correctly.
+      The path provided below has to start and end with a slash "/" in order for
+      it to work correctly.
 
-    For more details:
-    * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
+      For more details:
+      * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
 
-    This is a placeholder for base href that will be replaced by the value of
-    the `--base-href` argument provided to `flutter build`.
-  -->
-  <base href="$FLUTTER_BASE_HREF">
+      This is a placeholder for base href that will be replaced by the value of
+      the `--base-href` argument provided to `flutter build`.
+    -->
+    <base href="$FLUTTER_BASE_HREF">
 
-  <meta charset="UTF-8">
-  <meta content="IE=Edge" http-equiv="X-UA-Compatible">
-  <meta name="description" content="A Candy Crush clone">
+    <meta charset="UTF-8">
+    <meta content="IE=Edge" http-equiv="X-UA-Compatible">
+    <meta name="description" content="A Candy Crush clone">
 
-  <!-- iOS meta tags & icons -->
-  <meta name="apple-mobile-web-app-capable" content="yes">
-  <meta name="apple-mobile-web-app-status-bar-style" content="black">
-  <meta name="apple-mobile-web-app-title" content="bubbletwist">
-  <link rel="apple-touch-icon" href="icons/Icon-192.png">
+    <!-- iOS meta tags & icons -->
+    <meta name="apple-mobile-web-app-capable" content="yes">
+    <meta name="apple-mobile-web-app-status-bar-style" content="black">
+    <meta name="apple-mobile-web-app-title" content="bubbletwist">
+    <link rel="apple-touch-icon" href="icons/Icon-192.png">
 
-  <!-- Favicon -->
-  <link rel="icon" type="image/png" href="favicon.png"/>
+    <!-- Favicon -->
+    <link rel="icon" type="image/png" href="favicon.png"/>
 
-  <title>bubbletwist</title>
-  <link rel="manifest" href="manifest.json">
+    <title>bubbletwist</title>
+    <link rel="manifest" href="manifest.json">
 
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    const serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
+    <!-- This script adds the flutter initialization JS code -->
+    <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+<body>
+<script src="flutter_bootstrap.js" async></script>
+</body>
 </body>
 </html>
