diff --git a/src/iss-components/site-sub-header/site-sub-header.spec.js b/src/iss-components/site-sub-header/site-sub-header.spec.js
index 6b8571a8..1db08c7a 100644
--- a/src/iss-components/site-sub-header/site-sub-header.spec.js
+++ b/src/iss-components/site-sub-header/site-sub-header.spec.js
@@ -1,6 +1,11 @@
 import siteSubHeader from '@/iss-components/site-sub-header/site-sub-header';
 import { shallowMount } from '@vue/test-utils';
 
+// Mock cms helpers
+jest.mock('@/helpers/cms-content-helper', () => ({
+    doesCopyContainRouterLink: jest.fn()
+}));
+
 describe('site sub header', () => {
     const subHeaderText = "let's fix your glass";
     const mockMixin = {