diff --git a/crates/openshell-cli/src/run.rs b/crates/openshell-cli/src/run.rs
index a2ad725a4..56154823c 100644
--- a/crates/openshell-cli/src/run.rs
+++ b/crates/openshell-cli/src/run.rs
@@ -3108,6 +3108,7 @@ async fn sandbox_exec_interactive_grpc(
 
     let mut exit_code = 0i32;
     let stdout = std::io::stdout();
+    let stderr = std::io::stderr();
 
     while let Some(event) = stream.next().await {
         let event = event.into_diagnostic()?;
@@ -3118,7 +3119,7 @@ async fn sandbox_exec_interactive_grpc(
                 handle.flush().into_diagnostic()?;
             }
             Some(exec_sandbox_event::Payload::Stderr(err)) => {
-                let mut handle = stdout.lock();
+                let mut handle = stderr.lock();
                 handle.write_all(&err.data).into_diagnostic()?;
                 handle.flush().into_diagnostic()?;
             }