diff --git a/vitest.config.mjs b/vitest.config.ts
similarity index 88%
rename from vitest.config.mjs
rename to vitest.config.ts
index c0572ec..c72a738 100644
--- a/vitest.config.mjs
+++ b/vitest.config.ts
@@ -5,5 +5,6 @@ import { defineVitestConfig } from 'nuxt-vitest/config'
 export default defineVitestConfig({
   define: {
     'process.test': 'true',
+    environment: 'jsdom',
   },
 })