diff --git a/codex-rs/core/src/rollout.rs b/codex-rs/core/src/rollout.rs
index 3c90d634ac..5979fc91da 100644
--- a/codex-rs/core/src/rollout.rs
+++ b/codex-rs/core/src/rollout.rs
@@ -216,12 +216,11 @@ struct LogFileInfo {
 
 fn create_log_file(config: &Config, session_id: Uuid) -> std::io::Result<LogFileInfo> {
     // Resolve ~/.codex/sessions/YYYY/MM/DD and create it if missing.
-    let timestamp = OffsetDateTime::now_utc()
-        .map_err(|e| IoError::other(format!("failed to get local time: {e}")))?;
+    let timestamp = OffsetDateTime::now_utc();
     let mut dir = config.codex_home.clone();
     dir.push(SESSIONS_SUBDIR);
     dir.push(timestamp.year().to_string());
-    dir.push(format!("{:02}", u8::from(timestamp.month())));
+    dir.push(format!("{:02}", timestamp.month() as u8));
     dir.push(format!("{:02}", timestamp.day()));
     fs::create_dir_all(&dir)?;