diff --git a/packages/vite/src/node/server/index.ts b/packages/vite/src/node/server/index.ts
index 207a8d270bed1e..fa66ffd08b3e5f 100644
--- a/packages/vite/src/node/server/index.ts
+++ b/packages/vite/src/node/server/index.ts
@@ -1036,7 +1036,7 @@ export const serverConfigDefaults = Object.freeze({
   host: 'localhost',
   https: undefined,
   open: false,
-  watchStdin: false,
+  watchStdin: !process.stdin.isTTY,
   proxy: undefined,
   cors: true,
   headers: {},