diff --git a/lib/sf/reg_registration.rb b/lib/sf/reg_registration.rb
index cbc5cef..72da124 100644
--- a/lib/sf/reg_registration.rb
+++ b/lib/sf/reg_registration.rb
@@ -103,7 +103,8 @@ def registration_mapping
       'receipt_id' => 'receipt_id__c',
       'reference_id' => 'reference_id__c',
       'balance' => 'balance__c',
-      'from_ip_address' => 'ip_address__c'
+      'from_ip_address' => 'ip_address__c',
+      'transferred_to_receipt_id' => 'transferred_to_receipt_id__c'
     }
   end