diff --git a/codex-rs/utils/pty/src/win/psuedocon.rs b/codex-rs/utils/pty/src/win/psuedocon.rs
index ef0e9dc819..b1c72a739d 100644
--- a/codex-rs/utils/pty/src/win/psuedocon.rs
+++ b/codex-rs/utils/pty/src/win/psuedocon.rs
@@ -172,7 +172,7 @@ impl PsuedoCon {
         si.StartupInfo.hStdOutput = INVALID_HANDLE_VALUE;
         si.StartupInfo.hStdError = INVALID_HANDLE_VALUE;
 
-        let mut attrs = ProcThreadAttributeList::with_capacity(1)?;
+        let mut attrs = ProcThreadAttributeList::with_capacity(/*num_attributes*/ 1)?;
         attrs.set_pty(self.con)?;
         si.lpAttributeList = attrs.as_mut_ptr();