diff --git a/codex-rs/windows-sandbox-rs/src/winutil.rs b/codex-rs/windows-sandbox-rs/src/winutil.rs
index d412749ecc..76e7634eee 100644
--- a/codex-rs/windows-sandbox-rs/src/winutil.rs
+++ b/codex-rs/windows-sandbox-rs/src/winutil.rs
@@ -235,6 +235,7 @@ mod tests {
     use pretty_assertions::assert_eq;
     use std::collections::HashMap;
     use std::path::Path;
+    use std::path::PathBuf;
 
     #[test]
     fn argv_to_command_line_quotes_each_argument_independently() {