diff --git a/CHANGELOG.md b/CHANGELOG.md
index a55f21060..bb371378f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 
 - Fix provider for Kovan network.
 - Bump limit for EventEmitter listeners before warning.
+- Display Error when empty string is entered as a token address.
 
 ## 3.13.7 2018-1-22
 
diff --git a/package.json b/package.json
index 283d1dd3a..74a9f15d0 100644
--- a/package.json
+++ b/package.json
@@ -172,12 +172,14 @@
     "deep-freeze-strict": "^1.1.1",
     "del": "^3.0.0",
     "envify": "^4.0.0",
-    "enzyme": "^3.2.0",
+    "enzyme": "^3.3.0",
+    "enzyme-adapter-react-15": "^1.0.5",
     "eslint-plugin-chai": "0.0.1",
     "eslint-plugin-mocha": "^4.9.0",
     "eth-json-rpc-middleware": "^1.2.7",
     "fs-promise": "^2.0.3",
     "gulp": "github:gulpjs/gulp#6d71a658c61edb3090221579d8f97dbe086ba2ed",
+    "gulp-eslint": "^4.0.0",
     "gulp-if": "^2.0.1",
     "gulp-json-editor": "^2.2.1",
     "gulp-livereload": "^3.8.1",
@@ -186,7 +188,6 @@
     "gulp-util": "^3.0.7",
     "gulp-watch": "^5.0.0",
     "gulp-zip": "^4.0.0",
-    "gulp-eslint": "^4.0.0",
     "isomorphic-fetch": "^2.2.1",
     "jsdom": "^11.1.0",
     "jsdom-global": "^3.0.2",
@@ -210,6 +211,7 @@
     "react-addons-test-utils": "^15.5.1",
     "react-test-renderer": "^15.6.2",
     "react-testutils-additions": "^15.2.0",
+    "redux-test-utils": "^0.2.2",
     "sinon": "^4.0.0",
     "tape": "^4.5.1",
     "testem": "^2.0.0",
diff --git a/test/helper.js b/test/helper.js
index 1c5934a89..a3abbebf2 100644
--- a/test/helper.js
+++ b/test/helper.js
@@ -1,3 +1,7 @@
+import Enzyme from 'enzyme'
+import Adapter from 'enzyme-adapter-react-15'
+
+Enzyme.configure({ adapter: new Adapter() })
 // disallow promises from swallowing errors
 enableFailureOnUnhandledPromiseRejection()
 
diff --git a/test/lib/shallow-with-store.js b/test/lib/shallow-with-store.js
new file mode 100644
index 000000000..10c02a18c
--- /dev/null
+++ b/test/lib/shallow-with-store.js
@@ -0,0 +1,20 @@
+const { shallow, mount } = require('enzyme')
+
+module.exports = {
+  shallowWithStore,
+  mountWithStore,
+}
+
+function shallowWithStore (component, store) {
+  const context = {
+    store,
+  }
+  return shallow(component, {context})
+}
+
+function mountWithStore (component, store) {
+  const context = {
+    store,
+  }
+  return mount(component, {context})
+}
\ No newline at end of file
diff --git a/test/unit/ui/add-token.spec.js b/test/unit/ui/add-token.spec.js
new file mode 100644
index 000000000..9e74aa37e
--- /dev/null
+++ b/test/unit/ui/add-token.spec.js
@@ -0,0 +1,43 @@
+const assert = require('assert')
+const { createMockStore } = require('redux-test-utils')
+const h = require('react-hyperscript')
+const { shallowWithStore } = require('../../lib/shallow-with-store')
+const AddTokenScreen = require('../../../ui/app/add-token')
+
+describe('Add Token Screen', function () {
+  let addTokenComponent, store, component
+  const mockState = {
+    metamask: {
+      identities: {
+        '0x7d3517b0d011698406d6e0aed8453f0be2697926': {
+          'address': '0x7d3517b0d011698406d6e0aed8453f0be2697926',
+          'name': 'Add Token Name',
+        },
+      },
+    },
+  }
+  beforeEach(function () {
+    store = createMockStore(mockState)
+    component = shallowWithStore(h(AddTokenScreen), store)
+    addTokenComponent = component.dive()
+  })
+
+  describe('#ValidateInputs', function () {
+
+    it('Default State', function () {
+      addTokenComponent.instance().validateInputs()
+      const state = addTokenComponent.state()
+      assert.equal(state.warning, 'Address is invalid.')
+    })
+
+    it('Address is a Metamask Identity', function () {
+      addTokenComponent.setState({
+        address: '0x7d3517b0d011698406d6e0aed8453f0be2697926',
+      })
+      addTokenComponent.instance().validateInputs()
+      const state = addTokenComponent.state()
+      assert.equal(state.warning, 'Personal address detected. Input the token contract address.')
+    })
+
+  })
+})
diff --git a/ui/app/add-token.js b/ui/app/add-token.js
index 9354a4cad..d5a23c360 100644
--- a/ui/app/add-token.js
+++ b/ui/app/add-token.js
@@ -25,7 +25,7 @@ inherits(AddTokenScreen, Component)
 function AddTokenScreen () {
   this.state = {
     warning: null,
-    address: null,
+    address: '',
     symbol: 'TOKEN',
     decimals: 18,
   }
@@ -190,7 +190,7 @@ AddTokenScreen.prototype.validateInputs = function () {
 
   const validAddress = ethUtil.isValidAddress(address)
   if (!validAddress) {
-    msg += 'Address is invalid. '
+    msg += 'Address is invalid.'
   }
 
   const validDecimals = decimals >= 0 && decimals < 36