diff --git a/certbot_dns_hetzner/dns_hetzner.py b/certbot_dns_hetzner/dns_hetzner.py
index a4cbe8d..cea003b 100644
--- a/certbot_dns_hetzner/dns_hetzner.py
+++ b/certbot_dns_hetzner/dns_hetzner.py
@@ -20,9 +20,9 @@ def __init__(self, *args, **kwargs):
         self.credentials = None
 
     @classmethod
-    def add_parser_arguments(cls, add):  # pylint: disable=arguments-differ
+    def add_parser_arguments(cls, add, default_propagation_seconds = 60):
         super(Authenticator, cls).add_parser_arguments(
-            add, default_propagation_seconds=60
+            add, default_propagation_seconds=default_propagation_seconds
         )
         add("credentials", help="Hetzner credentials INI file.")