diff --git a/src/frontend/flask_app/templates/measure/task_list.html b/src/frontend/flask_app/templates/measure/task_list.html
index db5cad5..868a62b 100644
--- a/src/frontend/flask_app/templates/measure/task_list.html
+++ b/src/frontend/flask_app/templates/measure/task_list.html
@@ -187,7 +187,8 @@
             </div>
           </div>
 
-          <!-- Action Button -->
+          <!-- Action Button (Maker only — operators start the guided flow with AVVIA) -->
+          {% if current_user and 'Maker' in current_user.get('roles', []) %}
           <div class="shrink-0 sm:ml-4">
             <a href="{{ url_for('measure.task_execute', task_id=task.id) }}"
                class="btn btn-primary gap-2 w-full sm:w-auto justify-center
@@ -202,6 +203,7 @@
               </svg>
             </a>
           </div>
+          {% endif %}
         </div>
       </div>
     </div>