diff --git a/lib/responses/twiml.response.js b/lib/responses/twiml.response.js
index f94875b..37c7acd 100644
--- a/lib/responses/twiml.response.js
+++ b/lib/responses/twiml.response.js
@@ -14,8 +14,8 @@ exports.TwiMLResponse = class TwiMLResponse extends Twilio.Response {
       const stringBody = body.toString();
 
       if (!stringBody.includes('<?xml version="1.0" encoding="UTF-8"?>')) {
-        this.setBody('<?xml version="1.0" encoding="UTF-8"?><InvalidTwiMLResponse />');
-        this.setStatusCode(400);
+        this.setBody('<?xml version="1.0" encoding="UTF-8"?><Response />');
+        this.setStatusCode(200);
         return this;
       }