diff --git a/crates/iroha_data_model/src/role.rs b/crates/iroha_data_model/src/role.rs
index d47cc3328a3..899bc833b61 100644
--- a/crates/iroha_data_model/src/role.rs
+++ b/crates/iroha_data_model/src/role.rs
@@ -83,6 +83,7 @@ mod model {
     pub struct NewRole {
         #[allow(missing_docs)]
         #[id(transparent)]
+        #[serde(flatten)]
         pub inner: Role,
         /// First owner
         pub grant_to: AccountId,