diff --git a/util/build.js b/util/build.js
index 71c96b6c8..76d48fb04 100644
--- a/util/build.js
+++ b/util/build.js
@@ -57,15 +57,15 @@ var createBundle = function(opts) {
   b.require('./js/models/core/Wallet', {
     expose: '../js/models/core/Wallet'
   });
-  b.require('./js/models/core/Wallet', {
-    expose: '../js/models/core/Wallet'
-  });
   b.require('./js/models/core/Wallet', {
     expose: '../../js/models/core/Wallet'
   });
   b.require('./test/mocks/FakeStorage', {
     expose: './mocks/FakeStorage'
   });
+  b.require('./js/models/core/Message', {
+    expose: '../js/models/core/Message'
+  });
   b.require('./test/mocks/FakeBlockchain', {
     expose: './mocks/FakeBlockchain'
   });
@@ -90,6 +90,9 @@ var createBundle = function(opts) {
   b.require('./js/models/core/Passphrase', {
     expose: '../js/models/core/Passphrase'
   });
+  b.require('./config', {
+    expose: '../config'
+  });
 
   if (opts.dontminify) {
     //include dev dependencies