diff --git a/src/datasource-zabbix/zabbix/connectors/zabbix_api/zabbixAPIConnector.ts b/src/datasource-zabbix/zabbix/connectors/zabbix_api/zabbixAPIConnector.ts
index c3ef4a1..2b2006b 100644
--- a/src/datasource-zabbix/zabbix/connectors/zabbix_api/zabbixAPIConnector.ts
+++ b/src/datasource-zabbix/zabbix/connectors/zabbix_api/zabbixAPIConnector.ts
@@ -523,6 +523,7 @@ export class ZabbixAPIConnector {
       evaltype: '0',
       sortfield: ['eventid'],
       sortorder: 'ASC',
+      select_acknowledges: 'extend',
       selectSuppressionData: ['maintenanceid', 'suppress_until'],
       groupids,
       hostids,