diff --git a/market/v1/srv.proto b/market/v1/srv.proto
index c732a17..b062304 100644
--- a/market/v1/srv.proto
+++ b/market/v1/srv.proto
@@ -26,5 +26,5 @@ service MarketplaceSrv {
   rpc GetUserMarketHistory(OrderListFilter) returns (MarketOrderList); // list of order + purchase related to buying an asset
 
   // Contract
-  rpc GenerateMarketContract(CalcMarketReq) returns (ContractMarketRes);
+  rpc GenerateMarketContract(MarketContractReq) returns (ContractMarketRes);
 }