diff --git a/frontend/vite.config.js b/frontend/vite.config.js
index 76bab7e..26b56c2 100644
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@@ -1,5 +1,6 @@
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
+import legacy from '@vitejs/plugin-legacy'
 import path from 'path'
 
 // https://vitejs.dev/config/