diff --git a/src/browser/chrome.ts b/src/browser/chrome.ts
index 9501d1e4d98..6e994cdcda3 100644
--- a/src/browser/chrome.ts
+++ b/src/browser/chrome.ts
@@ -226,7 +226,7 @@ export async function launchOpenClawChrome(
     args.push("about:blank");
 
     return spawn(exe.path, args, {
-      stdio: "pipe",
+      stdio: ["ignore", "ignore", "ignore"],
       env: {
         ...process.env,
         // Reduce accidental sharing with the user's env.