diff --git a/personal_data/__main__.py b/personal_data/__main__.py
index 7454c06..7a5fb6d 100644
--- a/personal_data/__main__.py
+++ b/personal_data/__main__.py
@@ -5,6 +5,7 @@ import logging
 def parse_arguments():
     parser = argparse.ArgumentParser()
     parser.add_argument('fetchers', metavar='FETCHER', type=str, nargs='+')
+    parser.add_argument('--cookiejar', action = 'store_true')
     return parser.parse_args()
 
 def main():
@@ -12,7 +13,7 @@ def main():
     logging.getLogger('personal_data').setLevel('INFO')
     args = parse_arguments()
     scraper_filter = frozenset(args.fetchers)
-    personal_data.main.main(scraper_filter)
+    personal_data.main.main(scraper_filter, use_cookiejar = args.cookiejar)
 
 if __name__ == '__main__':
     main()
diff --git a/personal_data/main.py b/personal_data/main.py
index 8542962..1516be9 100644
--- a/personal_data/main.py
+++ b/personal_data/main.py
@@ -171,9 +171,13 @@ def send_notification(session: requests.Session, scraper_name: str, latest_dict:
         body.append(f'{k}: {v}\n')
     mailgun.send_email(session, f'Updated {scraper_name}', ''.join(body))
 
-def main(scraper_filter: frozenset[str]):
-    cookiejar = browsercookie.firefox()
-    logger.info('Got cookiejar from firefox: %s cookies', len(cookiejar))
+def main(scraper_filter: frozenset[str], use_cookiejar: bool):
+    if use_cookiejar:
+        cookiejar = browsercookie.firefox()
+        logger.info('Got cookiejar from firefox: %s cookies', len(cookiejar))
+    else:
+        cookiejar = []
+        logger.warning('No cookiejar is used')
 
     for scraper_cls in personal_data.data.Scraper.__subclasses__():
         session = get_session(cookiejar, with_cfscrape=scraper_cls.requires_cfscrape())