diff --git a/src/plugins/bundled-runtime-deps.test.ts b/src/plugins/bundled-runtime-deps.test.ts
index 269bc557442..b6c7b1617a0 100644
--- a/src/plugins/bundled-runtime-deps.test.ts
+++ b/src/plugins/bundled-runtime-deps.test.ts
@@ -16,7 +16,8 @@ import {
   type BundledRuntimeDepsInstallParams,
 } from "./bundled-runtime-deps.js";
 
-vi.mock("node:child_process", () => ({
+vi.mock("node:child_process", async (importOriginal) => ({
+  ...(await importOriginal<typeof import("node:child_process")>()),
   spawnSync: vi.fn(),
 }));