diff --git a/library/mt_ip_address.py b/library/mt_ip_address.py
index 59eb8d1..b191da0 100644
--- a/library/mt_ip_address.py
+++ b/library/mt_ip_address.py
@@ -70,7 +70,7 @@ def main():
 
   idempotent_parameter = None
   params = module.params
-  idempotent_parameter = 'address'
+  idempotent_parameter = 'interface'
   mt_obj = MikrotikIdempotent(
     hostname         = params['hostname'],
     username         = params['username'],