diff --git a/frontend/vite.config.js b/frontend/vite.config.js
index 3dcabd8..ee38796 100644
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@@ -1,7 +1,6 @@
 import { defineConfig } from "vite";
 import react from "@vitejs/plugin-react";
 
-// https://vitejs.dev/config/
 export default defineConfig({
   plugins: [react()],
   resolve: {
@@ -9,4 +8,7 @@ export default defineConfig({
       src: "/src",
     },
   },
+  define: {
+    __APP_ENV__: import.meta.env.VITE_VERCEL_ENV,
+  },
 });