diff --git a/migrations/20150107_plan_dateUpdated_null.js b/migrations/20150107_plan_dateUpdated_null.js
index ae231a0414..6e03b41a55 100644
--- a/migrations/20150107_plan_dateUpdated_null.js
+++ b/migrations/20150107_plan_dateUpdated_null.js
@@ -1,5 +1,8 @@
 db.users.update(
   {'purchased.plan.customerId':{$ne:null}, 'purchased.plan.dateUpdated':null},
-  {$set: {'purchased.plan.datedUpdated': new Date('12/01/2014')}},
+  {
+    $set: {'purchased.plan.dateUpdated': new Date('12/01/2014')},
+    $unset: {'purchased.plan.datedUpdated':''}
+  },
   {multi:true}
-);
\ No newline at end of file
+);