diff --git a/t29-project-1/vite.config.ts b/t29-project-1/vite.config.ts
index 22f72f1..859f09e 100644
--- a/t29-project-1/vite.config.ts
+++ b/t29-project-1/vite.config.ts
@@ -4,6 +4,7 @@ import { defineConfig } from 'vitest/config';
 // https://vite.dev/config/
 export default defineConfig({
   plugins: [react()],
+  base: '/project1/',
   test: {
     environment: 'jsdom',
     include: ['src/**/*.test.ts', 'src/**/*.test.tsx', 'server/**/*.test.js'],