diff --git a/lib/app.js b/lib/app.js
index 67231bad..8cca2e35 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -73,9 +73,8 @@ module.exports = function (options) {
 
       config.isAuthorized(fingerprint, function (err, device) {
         if (err) { 
-          var serverError = new Error('Internal Server Error');
-          serverError.status = 500;
-          return next(serverError); 
+          res.json({err: 'Internal Server Error'});
+          return next(err); 
         }
         if (!device) {
           res.statusCode = 404;