diff --git a/src/paperless/settings.py b/src/paperless/settings.py
index bd2e71dd5..af1d57891 100644
--- a/src/paperless/settings.py
+++ b/src/paperless/settings.py
@@ -922,7 +922,7 @@ CELERY_ACCEPT_CONTENT = ["application/json", "application/x-python-serialize"]
 CELERY_BEAT_SCHEDULE = _parse_beat_schedule()
 
 # https://docs.celeryq.dev/en/stable/userguide/configuration.html#beat-schedule-filename
-CELERY_BEAT_SCHEDULE_FILENAME = DATA_DIR / "celerybeat-schedule.db"
+CELERY_BEAT_SCHEDULE_FILENAME = str(DATA_DIR / "celerybeat-schedule.db")
 
 
 # Cachalot: Database read cache.