diff --git a/templates/atelier/index.html.twig b/templates/atelier/index.html.twig
index 9a4449b..6915971 100644
--- a/templates/atelier/index.html.twig
+++ b/templates/atelier/index.html.twig
@@ -21,11 +21,16 @@
                 <td>{{ atelier.nom }}</td>
                 <td>{{ atelier.description | raw }}</td>
                 <td>
-                    <div class="d-flex flex-row">
+                    <div class="d-flex flex-row align-content-end">
                         <a class="btn btn-outline-primary m-1"
                            href="{{ path('app_atelier_show', {'id': atelier.id}) }}">Afficher</a>
-                        <a class="btn btn-outline-primary m-1"
-                           href="{{ path('app_atelier_edit', {'id': atelier.id}) }}">Modifier</a>
+                        {% if app.user and app.user == atelier.instructeur %}
+                            <a class="btn btn-outline-primary m-1"
+                               href="{{ path('app_atelier_edit', {'id': atelier.id}) }}">Modifier</a>
+                        {% else %}
+                            <button class="btn btn-outline-secondary m-1"
+                               href="{{ path('app_atelier_edit', {'id': atelier.id}) }}" disabled>Modifier</button>
+                        {% endif %}
                     </div>
                 </td>
             </tr>
diff --git a/templates/atelier/show.html.twig b/templates/atelier/show.html.twig
index 0d00f2c..70fdad9 100644
--- a/templates/atelier/show.html.twig
+++ b/templates/atelier/show.html.twig
@@ -27,9 +27,13 @@
     </table>
 
     <div class="d-flex flex-row">
+        {% if app.user and app.user == atelier.instructeur %}
         <a class="btn btn-outline-primary m-2" href="{{ path('app_atelier_edit', {'id': atelier.id}) }}">Modifier</a>
+        {% endif %}
         <a class="btn btn-outline-primary m-2" href="{{ path('app_atelier_index') }}">Retour à la liste</a>
+        {% if app.user and app.user == atelier.instructeur %}
         {{ include('atelier/_delete_form.html.twig') }}
+        {% endif %}
     </div>
 {% endblock %}