diff --git a/src/identity/application/services/errors.rs b/src/identity/application/services/errors.rs
index 5454b1c..38ef522 100644
--- a/src/identity/application/services/errors.rs
+++ b/src/identity/application/services/errors.rs
@@ -3,12 +3,12 @@
 // SPDX-License-Identifier: AGPL-3.0-or-later
 
 use argon2_creds::CredsError;
-use derive_more::Display;
+use derive_more::{Display, Error};
 use serde::{Deserialize, Serialize};
 
 pub type IdentityResult<V> = Result<V, IdentityError>;
 
-#[derive(Debug, Display, Clone, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
+#[derive(Debug, Error, Display, Clone, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
 pub enum IdentityError {
     DuplicateUsername,
     VerificationOTPSecretNotFound,