diff --git a/src/deadline_worker_agent/sessions/session.py b/src/deadline_worker_agent/sessions/session.py
index 97781d59..88fc785e 100644
--- a/src/deadline_worker_agent/sessions/session.py
+++ b/src/deadline_worker_agent/sessions/session.py
@@ -848,6 +848,7 @@ def progress_handler(job_upload_status: ProgressReportMetadata) -> bool:
             storage_profiles_path_mapping_rules=storage_profiles_path_mapping_rules_dict,
             step_dependencies=step_dependencies,
             on_downloading_files=progress_handler,
+            os_env_vars=self._env,
         )
 
         ASSET_SYNC_LOGGER.info(