diff --git a/js/models/network/Async.js b/js/models/network/Async.js
index e63b2ecfc..e774d2eea 100644
--- a/js/models/network/Async.js
+++ b/js/models/network/Async.js
@@ -167,6 +167,7 @@ Network.prototype.iterateNonce = function() {
   var noncep2uint = this.networkNonce.slice(4, 8).readUInt32BE(0);
   var noncep2 = this.networkNonce.slice(4, 8);
   noncep2.writeUInt32BE(noncep2uint + 1, 0);
+  this.networkNonce = Buffer.concat([noncep1, noncep2], 8);
   return this.networkNonce;
 };
 
diff --git a/karma.conf.js b/karma.conf.js
index a5f5a8a5b..98f7c15dc 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -102,7 +102,7 @@ module.exports = function(config) {
 
     // start these browsers
     // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
-    browsers: ['Chrome'],
+    browsers: ['Firefox'],
 
 
     // Continuous Integration mode
diff --git a/test/test.network.Async.js b/test/test.network.Async.js
index 4d46dabb3..b7691cffb 100644
--- a/test/test.network.Async.js
+++ b/test/test.network.Async.js
@@ -257,7 +257,7 @@ describe('Network / Async', function() {
 
   describe('#iterateNonce', function() {
 
-    it('should set a nonce not already set', function() {
+    it.only('should set a nonce not already set', function() {
       var n = createN();
       n.iterateNonce();
       n.networkNonce.slice(4, 8).toString('hex').should.equal('00000001');