diff --git a/ui/src/modules/types.ts b/ui/src/modules/types.ts
index f01b6bad..d7e095d8 100644
--- a/ui/src/modules/types.ts
+++ b/ui/src/modules/types.ts
@@ -58,6 +58,7 @@ export interface PaymentType {
     skipEbarimt?: boolean;
     mustCustomer?: boolean;
     notSplit?: boolean;
+    preTax?: boolean;
   };
 }