diff --git a/code/.storybook/manager.tsx b/code/.storybook/manager.tsx
index f7a31bd2bd06..214e5d0e9375 100644
--- a/code/.storybook/manager.tsx
+++ b/code/.storybook/manager.tsx
@@ -1,8 +1,13 @@
-import { startCase } from 'es-toolkit/string';
 import { addons } from 'storybook/manager-api';
 
-addons.setConfig({
-  sidebar: {
-    renderLabel: ({ name, type }) => (type === 'story' ? name : startCase(name)),
-  },
-});
+addons.register('redirect-fix', () => {
+  const { pathname, search, hash } = window.location;
+
+  if (pathname.endsWith('index.html')) {
+    
+    const newPathname = pathname.replace(/index\.html$/, '');
+    const newUrl = newPathname + search + hash;
+
+    window.location.replace(newUrl);
+  }
+});
\ No newline at end of file
diff --git a/code/core/src/manager/index.tsx b/code/core/src/manager/index.tsx
index 9de62e5dd8e6..4ce6c55360b4 100644
--- a/code/core/src/manager/index.tsx
+++ b/code/core/src/manager/index.tsx
@@ -90,6 +90,13 @@ const Main: FC<{ provider: Provider }> = ({ provider }) => {
 };
 
 export function renderStorybookUI(domNode: HTMLElement, provider: Provider) {
+  if (window.location.pathname.endsWith('index.html')) {
+    const { pathname, search, hash } = window.location;
+    const newPath = pathname.replace(/index\.html$/, '');
+    window.location.replace(newPath + search + hash);
+    return;
+  }
+
   if (!(provider instanceof Provider)) {
     throw new ProviderDoesNotExtendBaseProviderError();
   }