diff --git a/frontend/vite.config.js b/frontend/vite.config.js
index 7cec1a712..ee23ffdf6 100644
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@@ -7,6 +7,7 @@ export default defineConfig({
   server: {
     port: 3000,
     open: true,
+    allowedHosts: ['mirofish-cpj2-production-1046.up.railway.app'],
     proxy: {
       '/api': {
         target: 'http://localhost:5001',