diff --git a/app/scripts/controllers/preferences.js b/app/scripts/controllers/preferences.js
index d57aec71a..4798b2ad6 100644
--- a/app/scripts/controllers/preferences.js
+++ b/app/scripts/controllers/preferences.js
@@ -1,6 +1,6 @@
 const ObservableStore = require('obs-store')
 const normalizeAddress = require('eth-sig-util').normalize
-const isValidAddress = require('ethereumjs-util').isValidAddress
+const { isValidAddress } = require('ethereumjs-util')
 const extend = require('xtend')
 
 
diff --git a/test/unit/app/controllers/preferences-controller-test.js b/test/unit/app/controllers/preferences-controller-test.js
index d63356215..2c261be90 100644
--- a/test/unit/app/controllers/preferences-controller-test.js
+++ b/test/unit/app/controllers/preferences-controller-test.js
@@ -357,7 +357,7 @@ describe('preferences controller', function () {
       sandbox.restore()
     })
 
-    it('should do anything if method not corresponds', async function () {
+    it('shouldn not do anything if method not corresponds', async function () {
       const asy = {next: () => {}, end: () => {}}
       var stubNext = sandbox.stub(asy, 'next')
       var stubEnd = sandbox.stub(asy, 'end').returns(0)