diff --git a/src/core/public/chrome/chrome_service.mock.ts b/src/core/public/chrome/chrome_service.mock.ts
index 00d3e2b4480a..aaccf766f40f 100644
--- a/src/core/public/chrome/chrome_service.mock.ts
+++ b/src/core/public/chrome/chrome_service.mock.ts
@@ -30,7 +30,13 @@
 
 import { BehaviorSubject } from 'rxjs';
 import type { PublicMethodsOf } from '@osd/utility-types';
-import { ChromeBadge, ChromeBreadcrumb, ChromeService, InternalChromeStart } from './';
+import {
+  ChromeBadge,
+  ChromeBreadcrumb,
+  ChromeService,
+  InternalChromeStart,
+  LinksUpdater,
+} from './';
 import { getLogosMock } from '../../common/mocks';
 
 const createSetupContractMock = () => {
@@ -40,6 +46,7 @@ const createSetupContractMock = () => {
 };
 
 const createStartContractMock = () => {
+  const linkUpdatersMock$ = new BehaviorSubject<LinksUpdater[]>([]);
   const startContract: DeeplyMockedKeys<InternalChromeStart> = {
     getHeaderComponent: jest.fn(),
     navLinks: {
@@ -51,7 +58,7 @@ const createStartContractMock = () => {
       update: jest.fn(),
       enableForcedAppSwitcherNavigation: jest.fn(),
       getForceAppSwitcherNavigation$: jest.fn(),
-      getLinkUpdaters$: jest.fn(),
+      getLinkUpdaters$: jest.fn().mockReturnValue(linkUpdatersMock$),
     },
     recentlyAccessed: {
       add: jest.fn(),