diff --git a/frontend/vite.config.ts b/frontend/vite.config.ts
index ef28e10..87b9ac5 100644
--- a/frontend/vite.config.ts
+++ b/frontend/vite.config.ts
@@ -14,6 +14,9 @@ export default defineConfig({
   },
   server: {
     port: 5173,
+    // Listen on all interfaces so the dev server is reachable from the LAN
+    // (e.g. http://192.168.1.88:5173), not just from localhost.
+    host: true,
     // The SPA calls the same-origin '/api' prefix. In development Vite
     // forwards those requests to the FastAPI process, so the browser stays on
     // one origin and no CORS configuration is needed.