diff --git a/index.html b/index.html
index d7872cd..2527990 100644
--- a/index.html
+++ b/index.html
@@ -5,7 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
     <meta name="description" content="Iara — chat PWA local-first para falar com o seu assistente de IA." />
     <meta name="theme-color" content="#0f766e" />
-    <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
+    <link rel="icon" type="image/svg+xml" href="/_app/favicon.svg" />
     <title>Iara</title>
   </head>
   <body>
diff --git a/vite.config.ts b/vite.config.ts
index 6652cc8..9d8bdf1 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -4,6 +4,7 @@ import tailwindcss from "@tailwindcss/vite";
 import { VitePWA } from "vite-plugin-pwa";
 
 export default defineConfig({
+  base: "/_app/",
   plugins: [
     react(),
     tailwindcss(),
@@ -27,7 +28,7 @@ export default defineConfig({
       },
       workbox: {
         globPatterns: ["**/*.{js,css,html,svg,woff2}"],
-        navigateFallback: "/index.html",
+        navigateFallback: "/_app/",
         runtimeCaching: [
           {
             urlPattern: /\/ws\/chat/,