diff --git a/client/lib/onboarding.integration.spec.ts b/client/lib/onboarding.integration.spec.ts
index 932a1934..5892a154 100644
--- a/client/lib/onboarding.integration.spec.ts
+++ b/client/lib/onboarding.integration.spec.ts
@@ -1,4 +1,4 @@
-import { describe, it, expect, beforeEach, vi } from "vitest";
+import { describe, it, expect, beforeEach, vi, type Mock } from "vitest";
 
 const createStorage = () => {
   const store = new Map<string, string>();
@@ -32,6 +32,8 @@ vi.stubGlobal(
   }),
 );
 
+const fetchMock = fetch as unknown as Mock;
+
 vi.mock("@/lib/supabase", () => {
   const chain = () => ({
     select: () => chain(),
@@ -104,8 +106,8 @@ describe("onboarding passport flow", () => {
   beforeEach(async () => {
     localStorage.clear();
     await mockAuth.signOut();
-    (fetch as unknown as vi.Mock).mockReset();
-    (fetch as unknown as vi.Mock).mockResolvedValue({
+    fetchMock.mockReset();
+    fetchMock.mockResolvedValue({
       ok: false,
       status: 404,
       text: async () => "",