diff --git a/bffhd/authentication/mod.rs b/bffhd/authentication/mod.rs
index c268a96..0462e1e 100644
--- a/bffhd/authentication/mod.rs
+++ b/bffhd/authentication/mod.rs
@@ -90,7 +90,7 @@ impl SessionCallback for Callback {
                     let authcid = context
                         .get_ref::<AuthId>()
                         .ok_or(ValidationError::MissingRequiredProperty)?;
-                    if let Some(user) = self.users.get_user(authcid) {
+                    if let Some(user) = self.users.get_user_by_token(authcid) {
                         validate.finalize::<V>(user)
                     }
                 }
diff --git a/bffhd/capnp/authenticationsystem.rs b/bffhd/capnp/authenticationsystem.rs
index c81f547..5c27922 100644
--- a/bffhd/capnp/authenticationsystem.rs
+++ b/bffhd/capnp/authenticationsystem.rs
@@ -157,7 +157,8 @@ impl AuthenticationSystem for Authentication {
                         union_field: "challenge",
                     };
                 }
-                Err(_) => {
+                Err(e) => {
+                    tracing::error!(error = %e., "authentication failed");
                     self.state = State::Aborted;
                     self.build_error(builder);