diff --git a/src/core/public/fatal_errors/fatal_errors_service.mock.ts b/src/core/public/fatal_errors/fatal_errors_service.mock.ts
index a28547bf88ed..8baf7d824270 100644
--- a/src/core/public/fatal_errors/fatal_errors_service.mock.ts
+++ b/src/core/public/fatal_errors/fatal_errors_service.mock.ts
@@ -70,6 +70,7 @@ const createWorkspacesSetupContractMock = () => ({
     currentWorkspaceId$,
     workspaceList$,
     currentWorkspace$,
+    init: jest.fn(),
     stop: jest.fn(),
     enterWorkspace: jest.fn(),
     exitWorkspace: jest.fn(),