diff --git a/packages/vite/src/node/publicUtils.ts b/packages/vite/src/node/publicUtils.ts
index d27fed085e0890..b42b73c30e5ece 100644
--- a/packages/vite/src/node/publicUtils.ts
+++ b/packages/vite/src/node/publicUtils.ts
@@ -34,3 +34,4 @@ export {
   isFileLoadingAllowed,
 } from './server/middlewares/static'
 export { loadEnv, resolveEnvPrefix } from './env'
+export { configDefaults } from './config'