diff --git a/packages/core/types/src/order/common.ts b/packages/core/types/src/order/common.ts
index d92b157a28..e07730425d 100644
--- a/packages/core/types/src/order/common.ts
+++ b/packages/core/types/src/order/common.ts
@@ -1149,6 +1149,11 @@ export interface OrderDTO {
    */
   tax_total: BigNumberValue
 
+  /**
+   * The discount subtotal of the order.
+   */
+  discount_subtotal: BigNumberValue
+
   /**
    * The discount total of the order.
    */