diff --git a/codex-rs/core/tests/suite/compact_remote_parity.rs b/codex-rs/core/tests/suite/compact_remote_parity.rs
index 5391c3e1d5..9e87713f08 100644
--- a/codex-rs/core/tests/suite/compact_remote_parity.rs
+++ b/codex-rs/core/tests/suite/compact_remote_parity.rs
@@ -25,6 +25,9 @@ use pretty_assertions::assert_eq;
 use serde_json::Value;
 use serde_json::json;
 
+#[cfg(windows)]
+const FIXED_CWD: &str = r"C:\tmp\codex_remote_compaction_parity_workspace";
+#[cfg(not(windows))]
 const FIXED_CWD: &str = "/tmp/codex_remote_compaction_parity_workspace";
 const IMAGE_URL: &str = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMCAO+/p9sAAAAASUVORK5CYII=";
 const SUMMARY: &str = "REMOTE_COMPACTION_PARITY_ENCRYPTED_SUMMARY";