diff --git a/napalm_vyos/vyos.py b/napalm_vyos/vyos.py
index 23e3bde..893cdd5 100644
--- a/napalm_vyos/vyos.py
+++ b/napalm_vyos/vyos.py
@@ -73,6 +73,7 @@ class VyOSDriver(NetworkDriver):
             'alt_host_keys': False,
             'alt_key_file': '',
             'ssh_config_file': None,
+            'allow_agent': False,
         }
 
         fields = netmiko_version.split('.')