diff --git a/wallet/v1/msg.proto b/wallet/v1/msg.proto
index d63124e..578c994 100644
--- a/wallet/v1/msg.proto
+++ b/wallet/v1/msg.proto
@@ -368,7 +368,7 @@ message SaleGetTokenRes {
   int64 total_price = 3;
   double amount = 4;
   string asset = 5;
-  optional uint64 discount_code = 4;
+  optional uint64 discount_code = 6;
 }
 
 message SaleConfirmReq {
@@ -379,7 +379,7 @@ message SaleConfirmReq {
   string card_holder_info = 5;
   string card_holder_pan = 6;
   string final_amount = 7;
-  optional uint64 discount_code = 4;
+  optional uint64 discount_code = 8;
 }
 
 message SaleConfirmRes {
@@ -393,7 +393,7 @@ message SaleManualReq {
   string paid_at = 4;
   string rrn = 5;
   string national_id = 6;
-  optional uint64 discount_code = 4;
+  optional uint64 discount_code = 7;
 
 }