diff --git a/market/v1/msg.proto b/market/v1/msg.proto
index b18ebe3..0610bc1 100644
--- a/market/v1/msg.proto
+++ b/market/v1/msg.proto
@@ -35,7 +35,7 @@ message CalcMarketReq {
   double amount = 4;
   double unit_price = 5;
   MarketParticipantType participant_type = 6;
-  optional wallet.v1.BuyAssetSide req_side = 7; // For Calculation : can be from asset or irt
+  optional market.v1.MarketOrderSide req_side = 7; // For Calculation : can be from asset or irt
 }
 
 message CalcMarketRes {