diff --git a/src/app/operational-view/OperationalViewComponent.ts b/src/app/operational-view/OperationalViewComponent.ts
index edb972a..0484de8 100644
--- a/src/app/operational-view/OperationalViewComponent.ts
+++ b/src/app/operational-view/OperationalViewComponent.ts
@@ -20,7 +20,6 @@
 /**
  * @file Page for Operational View Component
  */
-import { isNullOrUndefined } from 'util';
 import { Component, Injector, OnInit } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap';
@@ -36,7 +35,7 @@
 import { Observable } from 'rxjs';
 import { Subscription } from 'rxjs';
 import { map } from 'rxjs/operators';
-import { SharedService } from 'SharedService';
+import { SharedService, isNullOrUndefined } from 'SharedService';
 /**
  * Creating component
  * @Component takes OperationalViewComponent.html as template url