migrations - fix migration #9 and add safety checks to migrator

1 files changed, 2 insertions, 2 deletions

diff --git a/app/scripts/migrations/009.js b/app/scripts/migrations/009.js
index 61b8b7fa2..38e6dcc09 100644
--- a/app/scripts/migrations/009.js
+++ b/app/scripts/migrations/009.js
@@ -6,7 +6,7 @@ This migration breaks out the CurrencyController substate
 
 */
 
-const merge = require('deep-merge')
+const merge = require('deep-extend')
 
 module.exports = {
   version,  
@@ -25,7 +25,7 @@ module.exports = {
 }
 
 function transformState (state) {
-  const newState = merge(state, {
+  const newState = merge({}, state, {
     CurrencyController: {
       currentCurrency: state.currentFiat || 'USD',
       conversionRate: state.conversionRate,