diff --git a/codex-rs/tui/src/updates.rs b/codex-rs/tui/src/updates.rs
index 8de8d39c5..0acb30b34 100644
--- a/codex-rs/tui/src/updates.rs
+++ b/codex-rs/tui/src/updates.rs
@@ -70,7 +70,7 @@ struct HomebrewCaskInfo {
 }
 
 fn version_filepath(config: &Config) -> PathBuf {
-    config.codex_home.join(VERSION_FILENAME)
+    config.codex_home.join(VERSION_FILENAME).into_path_buf()
 }
 
 fn read_version_info(version_file: &Path) -> anyhow::Result<VersionInfo> {