diff --git a/packages/opencode/src/session/index.ts b/packages/opencode/src/session/index.ts
index 1173de0d..7dcffb07 100644
--- a/packages/opencode/src/session/index.ts
+++ b/packages/opencode/src/session/index.ts
@@ -1076,6 +1076,7 @@ export namespace Session {
     const proc = spawn(shell, args, {
       cwd: app.path.cwd,
       signal: abort.signal,
+      stdio: ["ignore", "pipe", "pipe"],
       env: {
         ...process.env,
         TERM: "dumb",