diff --git a/ui-ngx/src/app/core/api/alarm-data-subscription.ts b/ui-ngx/src/app/core/api/alarm-data-subscription.ts
index 4d3524324e..35a43c3f0f 100644
--- a/ui-ngx/src/app/core/api/alarm-data-subscription.ts
+++ b/ui-ngx/src/app/core/api/alarm-data-subscription.ts
@@ -52,6 +52,7 @@ export interface AlarmDataSubscriptionOptions {
 
 export class AlarmDataSubscription {
 
+  private alarmDataSubscriptionOptions = this.listener.alarmDataSubscriptionOptions;
   private datasourceType: DatasourceType = this.alarmDataSubscriptionOptions.datasourceType;
 
   private history: boolean;
@@ -65,8 +66,7 @@ export class AlarmDataSubscription {
 
   private subsTw: SubscriptionTimewindow;
 
-  constructor(public alarmDataSubscriptionOptions: AlarmDataSubscriptionOptions,
-              private listener: AlarmDataListener,
+  constructor(private listener: AlarmDataListener,
               private telemetryService: TelemetryService) {
   }
 
diff --git a/ui-ngx/src/app/core/api/alarm-data.service.ts b/ui-ngx/src/app/core/api/alarm-data.service.ts
index 23488c99c5..3454036db7 100644
--- a/ui-ngx/src/app/core/api/alarm-data.service.ts
+++ b/ui-ngx/src/app/core/api/alarm-data.service.ts
@@ -32,6 +32,7 @@ export interface AlarmDataListener {
   alarmSource: Datasource;
   alarmsLoaded: (pageData: PageData<AlarmData>, allowedEntities: number, totalEntities: number) => void;
   alarmsUpdated: (update: Array<AlarmData>, pageData: PageData<AlarmData>) => void;
+  alarmDataSubscriptionOptions?: AlarmDataSubscriptionOptions;
   subscription?: AlarmDataSubscription;
 }
 
@@ -47,11 +48,11 @@ export class AlarmDataService {
                             pageLink: AlarmDataPageLink,
                             keyFilters: KeyFilter[]) {
     const alarmSource = listener.alarmSource;
+    listener.alarmDataSubscriptionOptions = this.createAlarmSubscriptionOptions(listener, pageLink, keyFilters);
     if (alarmSource.type === DatasourceType.entity && (!alarmSource.entityFilter || !pageLink)) {
       return;
     }
-    listener.subscription = this.createSubscription(listener,
-      pageLink, alarmSource.keyFilters,  keyFilters);
+    listener.subscription = new AlarmDataSubscription(listener, this.telemetryService);
     return listener.subscription.subscribe();
   }
 
@@ -61,10 +62,9 @@ export class AlarmDataService {
     }
   }
 
-  private createSubscription(listener: AlarmDataListener,
-                             pageLink: AlarmDataPageLink,
-                             keyFilters: KeyFilter[],
-                             additionalKeyFilters: KeyFilter[]): AlarmDataSubscription {
+  private createAlarmSubscriptionOptions(listener: AlarmDataListener,
+                                         pageLink: AlarmDataPageLink,
+                                         additionalKeyFilters: KeyFilter[]): AlarmDataSubscriptionOptions {
     const alarmSource = listener.alarmSource;
     const alarmSubscriptionDataKeys: Array<AlarmSubscriptionDataKey> = [];
     alarmSource.dataKeys.forEach((dataKey) => {
@@ -82,11 +82,10 @@ export class AlarmDataService {
     if (alarmDataSubscriptionOptions.datasourceType === DatasourceType.entity) {
       alarmDataSubscriptionOptions.entityFilter = alarmSource.entityFilter;
       alarmDataSubscriptionOptions.pageLink = pageLink;
-      alarmDataSubscriptionOptions.keyFilters = keyFilters;
+      alarmDataSubscriptionOptions.keyFilters = alarmSource.keyFilters;
       alarmDataSubscriptionOptions.additionalKeyFilters = additionalKeyFilters;
     }
-    return new AlarmDataSubscription(alarmDataSubscriptionOptions,
-      listener, this.telemetryService);
+    return alarmDataSubscriptionOptions;
   }
 
 }
diff --git a/ui-ngx/src/app/core/api/widget-subscription.ts b/ui-ngx/src/app/core/api/widget-subscription.ts
index f7017652d8..070538ddc5 100644
--- a/ui-ngx/src/app/core/api/widget-subscription.ts
+++ b/ui-ngx/src/app/core/api/widget-subscription.ts
@@ -960,8 +960,8 @@ export class WidgetSubscription implements IWidgetSubscription {
 
   private updateAlarmDataSubscription() {
     if (this.alarmDataListener) {
-      const pageLink = this.alarmDataListener.subscription.alarmDataSubscriptionOptions.pageLink;
-      const keyFilters = this.alarmDataListener.subscription.alarmDataSubscriptionOptions.additionalKeyFilters;
+      const pageLink = this.alarmDataListener.alarmDataSubscriptionOptions.pageLink;
+      const keyFilters = this.alarmDataListener.alarmDataSubscriptionOptions.additionalKeyFilters;
       this.subscribeForAlarms(pageLink, keyFilters);
     }
   }