diff --git a/src/datasource-zabbix/datasource.ts b/src/datasource-zabbix/datasource.ts
index 23b1550..4695e10 100644
--- a/src/datasource-zabbix/datasource.ts
+++ b/src/datasource-zabbix/datasource.ts
@@ -425,6 +425,10 @@ export class ZabbixDatasource {
       limit: target.options?.limit,
     };
 
+    if (target.options?.acknowledged === 0 || target.options?.acknowledged === 1) {
+      problemsOptions.acknowledged = target.options?.acknowledged ? true : false;
+    }
+
     if (target.options?.minSeverity) {
       const severities = [0, 1, 2, 3, 4, 5].filter(v => v >= target.options?.minSeverity);
       problemsOptions.severities = severities;
diff --git a/src/datasource-zabbix/partials/query.editor.html b/src/datasource-zabbix/partials/query.editor.html
index 02ad450..0aabb48 100644
--- a/src/datasource-zabbix/partials/query.editor.html
+++ b/src/datasource-zabbix/partials/query.editor.html
@@ -309,7 +309,7 @@
         <label class="gf-form-label width-9">Acknowledged</label>
         <div class="gf-form-select-wrapper width-12">
           <select class="gf-form-input"
-                ng-change="ctrl.onTargetBlur()"
+                ng-change="ctrl.onQueryOptionChange()"
                 ng-model="ctrl.target.options.acknowledged"
                 ng-options="a.value as a.text for a in ctrl.ackFilters">
           </select>
diff --git a/src/datasource-zabbix/zabbix/connectors/zabbix_api/zabbixAPIConnector.ts b/src/datasource-zabbix/zabbix/connectors/zabbix_api/zabbixAPIConnector.ts
index 90908c9..c3ef4a1 100644
--- a/src/datasource-zabbix/zabbix/connectors/zabbix_api/zabbixAPIConnector.ts
+++ b/src/datasource-zabbix/zabbix/connectors/zabbix_api/zabbixAPIConnector.ts
@@ -389,7 +389,7 @@ export class ZabbixAPIConnector {
   }
 
   getProblems(groupids, hostids, applicationids, options): Promise<ZBXProblem[]> {
-    const { timeFrom, timeTo, recent, severities, limit } = options;
+    const { timeFrom, timeTo, recent, severities, limit, acknowledged } = options;
 
     const params: any = {
       output: 'extend',
@@ -412,6 +412,10 @@ export class ZabbixAPIConnector {
       params.severities = severities;
     }
 
+    if (acknowledged !== undefined) {
+      params.acknowledged = acknowledged;
+    }
+
     if (limit) {
       params.limit = limit;
     }