diff --git a/order.go b/order.go
index 432fd1ad5b..ff66a790c9 100644
--- a/order.go
+++ b/order.go
@@ -117,6 +117,7 @@ type OrderList struct {
 // https://stripe.com/docs/api#list_orders.
 type OrderListParams struct {
 	ListParams   `form:"*"`
+	Customer     string            `form:"customer"`
 	Created      int64             `form:"created"`
 	CreatedRange *RangeQueryParams `form:"created"`
 	IDs          []string          `form:"ids"`