diff --git a/cache-interceptor.service.ts b/cache-interceptor.service.ts
index a3a67d32..14e0f648 100644
--- a/cache-interceptor.service.ts
+++ b/cache-interceptor.service.ts
@@ -1,6 +1,5 @@
-import { Injectable, Inject, PLATFORM_ID } from '@angular/core';
+import {Injectable, Inject, PLATFORM_ID, TransferState} from '@angular/core';
 import { HttpInterceptor, HttpRequest, HttpHandler } from '@angular/common/http';
-import { TransferState } from '@angular/platform-browser';
 import { properties } from "../../environments/environment";
 
 @Injectable({