diff --git a/packages/opencode/src/format/index.ts b/packages/opencode/src/format/index.ts
index 7c122e3501..a61eb7be29 100644
--- a/packages/opencode/src/format/index.ts
+++ b/packages/opencode/src/format/index.ts
@@ -91,6 +91,9 @@ export const layer = Layer.effect(
                     cwd: dir,
                     env: item.environment,
                     extendEnv: true,
+                    stdin: "ignore",
+                    stdout: "ignore",
+                    stderr: "ignore",
                   }),
                 )
                 .pipe(