diff --git a/frontend/src/components/SidebarPlugin/SideBar.spec.js b/frontend/src/components/SidebarPlugin/SideBar.spec.js
index 7b12b6473..3f1a29034 100644
--- a/frontend/src/components/SidebarPlugin/SideBar.spec.js
+++ b/frontend/src/components/SidebarPlugin/SideBar.spec.js
@@ -167,7 +167,10 @@ describe('SideBar', () => {
           beforeEach(async () => {
             mocks.$store.state.isAdmin = true
             mocks.$store.state.token = 'valid-token'
-            window.location.assign = assignLocationSpy
+            delete window.location
+            window.location = {
+              assign: assignLocationSpy,
+            }
             wrapper = Wrapper()
           })