diff --git a/invokeai/frontend/web/src/app/components/InvokeAIUI.tsx b/invokeai/frontend/web/src/app/components/InvokeAIUI.tsx
index f3d9c4bb28e..8f08da993d9 100644
--- a/invokeai/frontend/web/src/app/components/InvokeAIUI.tsx
+++ b/invokeai/frontend/web/src/app/components/InvokeAIUI.tsx
@@ -7,7 +7,7 @@ import { createStore } from 'app/store/store';
 import Loading from 'common/components/Loading/Loading';
 import React, { lazy, memo, useEffect, useState } from 'react';
 import { Provider } from 'react-redux';
-import { BrowserRouter } from 'react-router-dom';
+import { HashRouter } from 'react-router-dom';
 
 /*
  * We need to configure logging before anything else happens - useLayoutEffect ensures we set this at the first
@@ -52,11 +52,11 @@ const InvokeAIUI = () => {
   return (
     <React.StrictMode>
       <Provider store={store}>
-        <BrowserRouter>
+        <HashRouter>
           <React.Suspense fallback={<Loading />}>
             <App />
           </React.Suspense>
-        </BrowserRouter>
+        </HashRouter>
       </Provider>
     </React.StrictMode>
   );
diff --git a/invokeai/frontend/web/src/features/auth/components/AdministratorSetup.tsx b/invokeai/frontend/web/src/features/auth/components/AdministratorSetup.tsx
index 9827a4d9769..85cc89d5716 100644
--- a/invokeai/frontend/web/src/features/auth/components/AdministratorSetup.tsx
+++ b/invokeai/frontend/web/src/features/auth/components/AdministratorSetup.tsx
@@ -80,7 +80,7 @@ export const AdministratorSetup = memo(() => {
         if (result.success) {
           // Auto-login after setup - need to call login API
           // For now, just redirect to login page
-          window.location.href = '/login';
+          window.location.href = '/#/login';
         }
       } catch {
         // Error is handled by RTK Query and displayed via error state
diff --git a/invokeai/frontend/web/src/features/auth/components/LoginPage.tsx b/invokeai/frontend/web/src/features/auth/components/LoginPage.tsx
index ddc813163de..521c7656786 100644
--- a/invokeai/frontend/web/src/features/auth/components/LoginPage.tsx
+++ b/invokeai/frontend/web/src/features/auth/components/LoginPage.tsx
@@ -61,7 +61,7 @@ export const LoginPage = memo(() => {
         dispatch(setCredentials({ token: result.token, user }));
         // Force a page reload to ensure all user-specific state is loaded from server
         // This is important for multiuser isolation to prevent state leakage
-        window.location.href = '/app';
+        window.location.href = '/#/app';
       } catch {
         // Error is handled by RTK Query and displayed via error state
       }