diff --git a/lib/ansible/modules/monitoring/zabbix/zabbix_action.py b/lib/ansible/modules/monitoring/zabbix/zabbix_action.py
index b4eda0af0a..fa56c2fcad 100644
--- a/lib/ansible/modules/monitoring/zabbix/zabbix_action.py
+++ b/lib/ansible/modules/monitoring/zabbix/zabbix_action.py
@@ -1229,6 +1229,7 @@ class AcknowledgeOperations(Operations):
                 None,
                 None,
                 None,
+                None,
                 "notify_all_involved"], operation['type']
             )
         except Exception as e: