diff --git a/tests/specs/serve/declarativeSer/server.ts b/tests/specs/serve/declarativeSer/server.ts
index 25d905d5d8..f2537670ab 100644
--- a/tests/specs/serve/declarativeSer/server.ts
+++ b/tests/specs/serve/declarativeSer/server.ts
@@ -1,3 +1,8 @@
-export const fetch = (req: Request) => {
-  return new Response("Hello from declarative server!");
-}; 
\ No newline at end of file
+export default {
+  fetch(req: Request) {
+    return new Response("Hello from declarative server");
+  },
+  onListen(info) {
+    console.log(info);
+  }
+} satisfies Deno.ServeDefaultExport;