diff --git a/lib/routes.js b/lib/routes.js
index fdb64e67..ef9da795 100644
--- a/lib/routes.js
+++ b/lib/routes.js
@@ -85,7 +85,7 @@ function verifyUser(req, res) {
 }
 
 function verifyTransaction(req, res) {
-  if (_mock) return res.json({success: true});
+  if (mock) return res.json({success: true});
 
   idVerifier.verifyTransaction(req.body, function (err, idResult) {
     if (err) {