diff --git a/lib/offsite_payments/integrations/bit_pay.rb b/lib/offsite_payments/integrations/bit_pay.rb
index 5adb09b8a..7691ca5ad 100644
--- a/lib/offsite_payments/integrations/bit_pay.rb
+++ b/lib/offsite_payments/integrations/bit_pay.rb
@@ -44,7 +44,7 @@ def initialize(order_id, account, options)
         end
 
         mapping :amount, 'price'
-        mapping :order, 'orderID'
+        mapping :order, 'orderId'
         mapping :currency, 'currency'
 
         mapping :customer, :first_name => 'buyerName',