diff --git a/test/vitest/geolocation-coordinates-parameters.spec.ts b/test/vitest/geolocation-coordinates-parameters.spec.ts
new file mode 100644
index 0000000..ab4d971
--- /dev/null
+++ b/test/vitest/geolocation-coordinates-parameters.spec.ts
@@ -0,0 +1,18 @@
+/* eslint-disable @typescript-eslint/no-unsafe-argument */
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import type { GeolocationCoordinatesParameters } from "fake-geolocation";
+import { describe, expectTypeOf, it } from "vitest";
+
+describe("GeolocationCoordinatesParameters", () => {
+  it("accepts the same properties as GeolocationCoordinates", () => {
+    expectTypeOf<GeolocationCoordinatesParameters>().toEqualTypeOf<{
+      latitude: number;
+      longitude: number;
+      altitude: number | null;
+      accuracy: number;
+      altitudeAccuracy: number | null;
+      heading: number | null;
+      speed: number | null;
+    }>(undefined as any); // weird that this is necessary
+  });
+});