diff --git a/hedgedoc-expire.py b/hedgedoc-expire.py
index f6e3c74..98fc9ae 100644
--- a/hedgedoc-expire.py
+++ b/hedgedoc-expire.py
@@ -288,8 +288,8 @@ def main():
     args = parser.parse_args()
 
     config = Config()
-    config.note_age = timedelta(days=args.revisions)
-    config.revision_age = timedelta(days=args.notes)
+    config.note_age = timedelta(days=args.notes)
+    config.revision_age = timedelta(days=args.revisions)
     config.verbose = args.verbose
     mail = EmailSender(config.smtp_hostname, config.smtp_port, config.smtp_username, config.smtp_password,
                        config.smtp_from)