diff --git a/app/services/simulations/__tests__/runner.test.ts b/app/services/simulations/__tests__/runner.test.ts
index 736468a..0c4f9b4 100644
--- a/app/services/simulations/__tests__/runner.test.ts
+++ b/app/services/simulations/__tests__/runner.test.ts
@@ -25,7 +25,7 @@ vi.mock("~/models/scoring-calculator", () => ({
 vi.mock("~/services/simulations/registry", async (importOriginal) => {
   // Keep the real SIMULATOR_TYPES / getSimulatorInfo so the manifest (pulled in
   // transitively via input-policy) can build; only stub getSimulator.
-  const actual = await importOriginal<SimulationsRegistry>();
+  const actual = await importOriginal<typeof SimulationsRegistry>();
   return { ...actual, getSimulator: vi.fn() };
 });
 vi.mock("~/services/simulations/simulation-probabilities", () => ({