diff --git a/src/cluster/ffmpeg_apps/schedule_cleanup.py b/src/cluster/ffmpeg_apps/schedule_cleanup.py
index c361cbb..f3d0900 100644
--- a/src/cluster/ffmpeg_apps/schedule_cleanup.py
+++ b/src/cluster/ffmpeg_apps/schedule_cleanup.py
@@ -15,10 +15,9 @@ with ffmpeg_worker_image.imports():
     # runs daily at 3 am (Hong Kong time)
     @app.function(
         volumes={hls_recording_mount_point: hls_recording_volume},
-        schedule=modal.Cron("0 3 * * *", timezone="Asia/HongKong")
+        schedule=modal.Cron("0 3 * * *", timezone="Asia/Hong_Kong")
     )
     def storage_cleanup():
-        # todo: clean up storage
         output_dir = f"{config.modal_environment}/records/hls/"
         volume_output_dir = f"{hls_recording_mount_point}/{output_dir}"