diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/chart/range-chart-widget.component.ts b/ui-ngx/src/app/modules/home/components/widget/lib/chart/range-chart-widget.component.ts
index f5ea7487ed..f471a9e84c 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/chart/range-chart-widget.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/chart/range-chart-widget.component.ts
@@ -23,6 +23,7 @@ import {
   OnDestroy,
   OnInit,
   Renderer2,
+  TemplateRef,
   ViewChild,
   ViewEncapsulation
 } from '@angular/core';