diff --git a/ui-ngx/src/app/modules/home/components/alarm/alarm-table-config.ts b/ui-ngx/src/app/modules/home/components/alarm/alarm-table-config.ts
index dc7f990f23..2c1080ee91 100644
--- a/ui-ngx/src/app/modules/home/components/alarm/alarm-table-config.ts
+++ b/ui-ngx/src/app/modules/home/components/alarm/alarm-table-config.ts
@@ -155,7 +155,7 @@ export class AlarmTableConfig extends EntityTableConfig<AlarmInfo, TimePageLink>
   }
 
   fetchAlarms(pageLink: TimePageLink): Observable<PageData<AlarmInfo>> {
-    const query = new AlarmQuery(this.entityId, pageLink, this.searchStatus, null, null, true);
+    const query = new AlarmQuery(this.entityId, pageLink, this.searchStatus, null, true, null);
     return this.alarmService.getAlarms(query);
   }
 
diff --git a/ui-ngx/src/app/modules/home/models/widget-component.models.ts b/ui-ngx/src/app/modules/home/models/widget-component.models.ts
index 66d3228028..09949a29b3 100644
--- a/ui-ngx/src/app/modules/home/models/widget-component.models.ts
+++ b/ui-ngx/src/app/modules/home/models/widget-component.models.ts
@@ -416,8 +416,8 @@ export class WidgetContext {
     return new TimePageLink(pageSize, page, textSearch, sortOrder, startTime, endTime);
   }
 
-  alarmQuery(entityId: EntityId, pageLink: TimePageLink, searchStatus: AlarmSearchStatus, status: AlarmStatus, assigneeId: UserId, fetchOriginator: boolean) {
-    return new AlarmQuery(entityId, pageLink, searchStatus, status, assigneeId, fetchOriginator);
+  alarmQuery(entityId: EntityId, pageLink: TimePageLink, searchStatus: AlarmSearchStatus, status: AlarmStatus, fetchOriginator: boolean, assigneeId: UserId) {
+    return new AlarmQuery(entityId, pageLink, searchStatus, status, fetchOriginator, assigneeId);
   }
 }
 
diff --git a/ui-ngx/src/app/shared/models/alarm.models.ts b/ui-ngx/src/app/shared/models/alarm.models.ts
index ea9de3c3db..5f0f7f37ef 100644
--- a/ui-ngx/src/app/shared/models/alarm.models.ts
+++ b/ui-ngx/src/app/shared/models/alarm.models.ts
@@ -263,18 +263,18 @@ export class AlarmQuery {
   pageLink: TimePageLink;
   searchStatus: AlarmSearchStatus;
   status: AlarmStatus;
-  assigneeId: UserId;
   fetchOriginator: boolean;
+  assigneeId?: UserId;
 
   constructor(entityId: EntityId, pageLink: TimePageLink,
               searchStatus: AlarmSearchStatus, status: AlarmStatus,
-              assigneeId: UserId, fetchOriginator: boolean) {
+              fetchOriginator: boolean, assigneeId?: UserId) {
     this.affectedEntityId = entityId;
     this.pageLink = pageLink;
     this.searchStatus = searchStatus;
     this.status = status;
-    this.assigneeId = assigneeId;
     this.fetchOriginator = fetchOriginator;
+    this.assigneeId = assigneeId;
   }
 
   public toQuery(): string {
@@ -284,12 +284,13 @@ export class AlarmQuery {
       query += `&searchStatus=${this.searchStatus}`;
     } else if (this.status) {
       query += `&status=${this.status}`;
-    } else if (this.assigneeId) {
-      query += `&assigneeId=${this.assigneeId.id}`;
     }
     if (typeof this.fetchOriginator !== 'undefined' && this.fetchOriginator !== null) {
       query += `&fetchOriginator=${this.fetchOriginator}`;
     }
+    if (typeof this.assigneeId !== 'undefined' && this.assigneeId !== null) {
+      query += `&assigneeId=${this.assigneeId.id}`;
+    }
     return query;
   }