diff --git a/web/gui2/src/main/webapp/tests/app/fw/util/lion.service.spec.ts b/web/gui2/src/main/webapp/tests/app/fw/util/lion.service.spec.ts
index 6535f07..0b661c6 100644
--- a/web/gui2/src/main/webapp/tests/app/fw/util/lion.service.spec.ts
+++ b/web/gui2/src/main/webapp/tests/app/fw/util/lion.service.spec.ts
@@ -72,7 +72,7 @@
                 { provide: UrlFnService, useClass: MockUrlFnService },
                 { provide: WSock, useClass: MockWSock },
                 { provide: WebSocketService, useClass: WebSocketService },
-                { provide: Window, useFactory: (() => windowMock ) },
+                { provide: 'Window', useFactory: (() => windowMock ) },
             ]
         });
     });