diff --git a/as-talange-web/src/main/resources/templates/fragments/sidebar.html b/as-talange-web/src/main/resources/templates/fragments/sidebar.html
index 4614688..5d70712 100644
--- a/as-talange-web/src/main/resources/templates/fragments/sidebar.html
+++ b/as-talange-web/src/main/resources/templates/fragments/sidebar.html
@@ -46,7 +46,7 @@
             </th:block>
         </nav>
         <div class="p-4 border-t border-gray-200">
-            <div class="text-sm font-medium text-gray-900 mb-1" th:text="${username != null ? username : 'Admin'}">Admin</div>
+            <div class="text-sm font-medium text-gray-900 mb-1" sec:authentication="name">Admin</div>
             <form th:action="@{/logout}" method="post">
                 <button type="submit" class="text-sm text-red-600 hover:text-red-700 font-medium">Déconnexion</button>
             </form>