diff --git a/examples/first-api/backend/src/index.ts b/examples/first-api/backend/src/index.ts
index 7dcc249..629c240 100644
--- a/examples/first-api/backend/src/index.ts
+++ b/examples/first-api/backend/src/index.ts
@@ -5,7 +5,7 @@ import { serviceProto } from "./shared/protocols/serviceProto";
 // Create the Server
 const server = new HttpServer(serviceProto, {
     port: 3000,
-    cors: '*'
+    json: true
 });
 
 // Entry function
diff --git a/examples/first-api/frontend/src/index.ts b/examples/first-api/frontend/src/index.ts
index 106f145..4203a14 100644
--- a/examples/first-api/frontend/src/index.ts
+++ b/examples/first-api/frontend/src/index.ts
@@ -4,7 +4,8 @@ import { serviceProto } from './shared/protocols/serviceProto';
 // Create the Client
 let client = new HttpClient(serviceProto, {
     server: 'http://127.0.0.1:3000',
-    logger: console
+    json: true,
+    // logger: console
 });
 
 async function test() {