diff --git a/src/middlewares/auth.ts b/src/middlewares/auth.ts
index 783e933..1809e73 100644
--- a/src/middlewares/auth.ts
+++ b/src/middlewares/auth.ts
@@ -12,6 +12,7 @@ export async function expressAuthentication(
     case "keycloak":
       const authData = await keycloakAuth(request, scopes);
       request.app.locals.logData.sessionId = authData.session_state;
+      request.app.locals.logData.user = authData.preffered_username;
       return authData;
     default:
       throw new HttpError(