diff --git a/wallet.proto b/wallet.proto
index a1750ef..fb02e26 100644
--- a/wallet.proto
+++ b/wallet.proto
@@ -31,5 +31,5 @@ service WalletService {
   rpc GetBNPLList(base.Empty) returns(BNPLList);
   rpc GetBNPLInfo(base.IdReq) returns(BNPLInfo);
   rpc GetUserBNPLInfo(GetUserBNPLInfoReq) returns(UserBNPLResp);
-  rpc SubmitBNPLForm(UserBNPLResp) returns(base.StatusRes);
+  rpc SubmitBNPLForm(UserBNPLReq) returns(base.StatusRes);
 }