diff --git a/src/booking.py b/src/booking.py
index a88fc25..9df1bcb 100644
--- a/src/booking.py
+++ b/src/booking.py
@@ -28,7 +28,7 @@ BASE_DIR = Path(__file__).resolve().parent
 DATA_DIR = Path(os.getenv("DJANGO_DATA_DIR", "/data"))
 FILE_LOG_LEVEL = os.getenv("FILE_LOG_LEVEL", "INFO")
 STDOUT_LOG_LEVEL = os.getenv("STDOUT_LOG_LEVEL", "DEBUG")
-LOG_DIR = os.getenv("LOG_DIR", "/data/room-booking.log.jsonl")
+LOG_DIR = os.getenv("LOG_DIR", DATA_DIR / "room-booking.log.jsonl")
 LOGROTATE_BACKUP_COUNT = int(os.getenv("LOGROTATE_BACKUP_COUNT", 6))
 LOGROTATE_MAX_BYTES = int(os.getenv("LOGROTATE_MAX_BYTES", 10 * 1024 * 1024))
 
diff --git a/src/clear_bookings.py b/src/clear_bookings.py
index 54c989e..a84fb72 100644
--- a/src/clear_bookings.py
+++ b/src/clear_bookings.py
@@ -11,6 +11,7 @@ from datetime import datetime, date, timedelta
 from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText
 from email.utils import format_datetime
+from pathlib import Path
 
 import caldav
 import click
@@ -25,9 +26,10 @@ from mylogger.logger import setup_logging
 tz = pytz.timezone(os.getenv("TIME_ZONE", "Europe/Berlin"))
 MAX_SEARCH_HORIZON = int(os.getenv("MAX_SEARCH_HORIZON", 14))
 
+DATA_DIR = Path(os.getenv("DJANGO_DATA_DIR", "/data"))
 FILE_LOG_LEVEL = os.getenv("FILE_LOG_LEVEL", "INFO")
 STDOUT_LOG_LEVEL = os.getenv("STDOUT_LOG_LEVEL", "DEBUG")
-LOG_DIR = os.getenv("LOG_DIR", "/data/room-booking.log.jsonl")
+LOG_DIR = os.getenv("LOG_DIR", DATA_DIR / "room-booking.log.jsonl")
 LOGROTATE_BACKUP_COUNT = int(os.getenv("LOGROTATE_BACKUP_COUNT", 6))
 LOGROTATE_MAX_BYTES = int(os.getenv("LOGROTATE_MAX_BYTES", 10 * 1024 * 1024))