diff --git a/build-scripts/bundle.js b/build-scripts/bundle.js
index 2c93bd7835..50e24db416 100644
--- a/build-scripts/bundle.js
+++ b/build-scripts/bundle.js
@@ -178,7 +178,6 @@ module.exports.config = {
       publicPath: publicPath(latestBuild, paths.hassio_publicPath),
       isProdBuild,
       latestBuild,
-      dontHash: new Set(["entrypoint"]),
     };
   },
 
diff --git a/build-scripts/gulp/entry-html.js b/build-scripts/gulp/entry-html.js
index c1be430039..f79950e156 100644
--- a/build-scripts/gulp/entry-html.js
+++ b/build-scripts/gulp/entry-html.js
@@ -90,8 +90,6 @@ gulp.task("gen-pages-prod", (done) => {
 });
 
 gulp.task("gen-index-app-dev", (done) => {
-  // In dev mode we don't mangle names, so we hardcode urls. That way we can
-  // run webpack as last in watch mode, which blocks output.
   const content = renderTemplate("index", {
     latestAppJS: "/frontend_latest/app.js",
     latestCoreJS: "/frontend_latest/core.js",
@@ -201,8 +199,6 @@ gulp.task("gen-index-cast-prod", (done) => {
 });
 
 gulp.task("gen-index-demo-dev", (done) => {
-  // In dev mode we don't mangle names, so we hardcode urls. That way we can
-  // run webpack as last in watch mode, which blocks output.
   const content = renderDemoTemplate("index", {
     latestDemoJS: "/frontend_latest/main.js",
 
@@ -240,8 +236,6 @@ gulp.task("gen-index-demo-prod", (done) => {
 });
 
 gulp.task("gen-index-gallery-dev", (done) => {
-  // In dev mode we don't mangle names, so we hardcode urls. That way we can
-  // run webpack as last in watch mode, which blocks output.
   const content = renderGalleryTemplate("index", {
     latestGalleryJS: "./frontend_latest/entrypoint.js",
   });
@@ -269,3 +263,39 @@ gulp.task("gen-index-gallery-prod", (done) => {
   );
   done();
 });
+
+gulp.task("gen-index-hassio-dev", async () => {
+  writeHassioEntrypoint("entrypoint.js", "entrypoints.js");
+});
+
+gulp.task("gen-index-hassio-prod", async () => {
+  const latestManifest = require(path.resolve(
+    paths.hassio_output_latest,
+    "manifest.json"
+  ));
+  const es5Manifest = require(path.resolve(
+    paths.hassio_output_es5,
+    "manifest.json"
+  ));
+  writeHassioEntrypoint(
+    latestManifest["entrypoint.js"],
+    es5Manifest["entrypoint.js"]
+  );
+});
+
+function writeHassioEntrypoint(latestEntrypoint, es5Entrypoint) {
+  fs.mkdirSync(paths.hassio_output_root, { recursive: true });
+  fs.writeFileSync(
+    path.resolve(paths.hassio_output_root, "entrypoint.js"),
+    `
+try {
+  new Function("import('${paths.hassio_publicPath}/frontend_latest/${latestEntrypoint}')")();
+} catch (err) {
+  var el = document.createElement('script');
+  el.src = '${paths.hassio_publicPath}/frontend_es5/${es5Entrypoint}';
+  document.body.appendChild(el);
+}
+  `,
+    { encoding: "utf-8" }
+  );
+}
diff --git a/build-scripts/gulp/hassio.js b/build-scripts/gulp/hassio.js
index 858a58e263..c055ba7685 100644
--- a/build-scripts/gulp/hassio.js
+++ b/build-scripts/gulp/hassio.js
@@ -11,24 +11,6 @@ require("./webpack.js");
 require("./compress.js");
 require("./rollup.js");
 
-async function writeEntrypointJS() {
-  // We ship two builds and we need to do feature detection on what version to load.
-  fs.mkdirSync(paths.hassio_output_root, { recursive: true });
-  fs.writeFileSync(
-    path.resolve(paths.hassio_output_root, "entrypoint.js"),
-    `
-try {
-  new Function("import('${paths.hassio_publicPath}/frontend_latest/entrypoint.js')")();
-} catch (err) {
-  var el = document.createElement('script');
-  el.src = '${paths.hassio_publicPath}/frontend_es5/entrypoint.js';
-  document.body.appendChild(el);
-}
-  `,
-    { encoding: "utf-8" }
-  );
-}
-
 gulp.task(
   "develop-hassio",
   gulp.series(
@@ -37,7 +19,7 @@ gulp.task(
     },
     "clean-hassio",
     "gen-icons-json",
-    writeEntrypointJS,
+    "gen-index-hassio-dev",
     env.useRollup() ? "rollup-watch-hassio" : "webpack-watch-hassio"
   )
 );
@@ -51,7 +33,7 @@ gulp.task(
     "clean-hassio",
     "gen-icons-json",
     env.useRollup() ? "rollup-prod-hassio" : "webpack-prod-hassio",
-    writeEntrypointJS,
+    "gen-index-hassio-prod",
     ...// Don't compress running tests
     (env.isTest() ? [] : ["compress-hassio"])
   )
diff --git a/build-scripts/paths.js b/build-scripts/paths.js
index 0a3e4fe79d..ab1b6d3853 100644
--- a/build-scripts/paths.js
+++ b/build-scripts/paths.js
@@ -34,6 +34,11 @@ module.exports = {
 
   hassio_dir: path.resolve(__dirname, "../hassio"),
   hassio_output_root: path.resolve(__dirname, "../hassio/build"),
+  hassio_output_latest: path.resolve(
+    __dirname,
+    "../hassio/build/frontend_latest"
+  ),
+  hassio_output_es5: path.resolve(__dirname, "../hassio/build/frontend_es5"),
   hassio_publicPath: "/api/hassio/app",
 
   translations_src: path.resolve(__dirname, "../src/translations"),