diff --git a/index.test-d.ts b/index.test-d.ts
index dfbd9cc..7cf1bda 100644
--- a/index.test-d.ts
+++ b/index.test-d.ts
@@ -10,7 +10,7 @@ const app = fastify();
 app.register(fastifyHelmet);
 app.register(fastifyHelmet, {});
 app.register(fastifyHelmet, { frameguard: false });
-app.register(fastifyHelmet, { frameguard: true });
+app.register(fastifyHelmet, { frameguard: { action: 'something' } });
 
 const appWithHttp2 = fastify({ http2: true });
 appWithHttp2.register(fastifyHelmet, {});