Set address to default with empty string, add test validation.

1 files changed, 2 insertions, 2 deletions

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