diff --git a/app/scripts/controllers/transactions.js b/app/scripts/controllers/transactions.js
index faccf1ab1..d4603aafa 100644
--- a/app/scripts/controllers/transactions.js
+++ b/app/scripts/controllers/transactions.js
@@ -212,7 +212,7 @@ module.exports = class TransactionController extends EventEmitter {
 
   getChainId () {
     const networkState = this.networkStore.getState()
-    const getChainId = parseInt(networkState.network)
+    const getChainId = parseInt(networkState)
     if (Number.isNaN(getChainId)) {
       return 0
     } else {
diff --git a/test/unit/tx-controller-test.js b/test/unit/tx-controller-test.js
index 3954300a8..f0d8a706e 100644
--- a/test/unit/tx-controller-test.js
+++ b/test/unit/tx-controller-test.js
@@ -311,12 +311,13 @@ describe('Transaction Controller', function () {
   })
 
   describe('#sign replay-protected tx', function () {
-    it('prepares a tx with the chainId set', function () {
+    it('prepares a tx with the chainId set', function (done) {
       txController.addTx({ id: '1', status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }, noop)
       txController.signTransaction('1', (err, rawTx) => {
-        if (err) return assert.fail('it should not fail')
+        if (err) return done('it should not fail')
         const ethTx = new EthTx(ethUtil.toBuffer(rawTx))
         assert.equal(ethTx.getChainId(), currentNetworkId)
+        done()
       })
     })
   })