diff --git a/tone-page-server/src/main.ts b/tone-page-server/src/main.ts
index 41ed8e0..0ebddec 100644
--- a/tone-page-server/src/main.ts
+++ b/tone-page-server/src/main.ts
@@ -8,6 +8,7 @@ async function bootstrap() {
   app.useGlobalPipes(new ValidationPipe({
     transform: true,
     whitelist: true,
+    forbidNonWhitelisted: true,
     stopAtFirstError: true,
     exceptionFactory: (errors) => {
       const error = errors[0];