diff --git a/codex-rs/cli/src/main.rs b/codex-rs/cli/src/main.rs
index d75ef4ca27..e5660301b5 100644
--- a/codex-rs/cli/src/main.rs
+++ b/codex-rs/cli/src/main.rs
@@ -50,6 +50,7 @@ mod marketplace_cmd;
 mod mcp_cmd;
 mod plugin_cmd;
 mod remote_control_cmd;
+#[cfg(target_os = "windows")]
 mod sandbox_setup;
 mod state_db_recovery;
 #[cfg(not(windows))]
diff --git a/codex-rs/cli/src/sandbox_setup.rs b/codex-rs/cli/src/sandbox_setup.rs
index 915adbc2bc..958411c428 100644
--- a/codex-rs/cli/src/sandbox_setup.rs
+++ b/codex-rs/cli/src/sandbox_setup.rs
@@ -63,9 +63,9 @@ pub(crate) async fn run(cmd: SandboxSetupCommand) -> anyhow::Result<()> {
 pub(crate) fn parse_setup_command(
     sandbox_command: &[String],
 ) -> anyhow::Result<Option<SandboxSetupCommand>> {
-    if !sandbox_command
+    if sandbox_command
         .first()
-        .is_some_and(|command| command == "setup")
+        .is_none_or(|command| command != "setup")
     {
         return Ok(None);
     }