diff --git a/twilio/twilio-tests.ts b/twilio/twilio-tests.ts
index 1fb9afa0a4..25c6915068 100644
--- a/twilio/twilio-tests.ts
+++ b/twilio/twilio-tests.ts
@@ -1,4 +1,5 @@
 import * as twilio from './twilio';
+import * as Express from "express";
 
 // Examples taken from https://twilio.github.io/twilio-node/ (v2.1.0)
 
@@ -227,8 +228,12 @@ var token = capability.generate(120);
 
 /// Utilities
 twilio.validateRequest(token, str, 'http://example.herokuapp.com', { query: 'val' });
-twilio.validateExpressRequest({}, 'YOUR_TWILIO_AUTH_TOKEN');
-twilio.validateExpressRequest({}, 'YOUR_TWILIO_AUTH_TOKEN', {});
+twilio.validateExpressRequest(getMockExpressRequest(), 'YOUR_TWILIO_AUTH_TOKEN');
+twilio.validateExpressRequest(getMockExpressRequest(), 'YOUR_TWILIO_AUTH_TOKEN', {});
 twilio.webhook({ validate: false });
 twilio.webhook("MYAUTHTOKEN", { validate: false });
 
+
+function getMockExpressRequest(): Express.Request {
+    return <Express.Request>JSON.parse("{}");
+}