diff --git a/addons/project/views/project_sharing_project_task_views.xml b/addons/project/views/project_sharing_project_task_views.xml
index 3c01d609251..9793671a3ef 100644
--- a/addons/project/views/project_sharing_project_task_views.xml
+++ b/addons/project/views/project_sharing_project_task_views.xml
@@ -178,7 +178,7 @@
                     </group>
                     <notebook>
                         <page name="description_page" string="Description">
-                            <field name="description" type="html" options="{'collaborative': true}"/>
+                            <field name="description" type="html" options="{'collaborative': true, 'allowCommandImage': false, 'allowCommandVideo': false, 'allowCommandFile': false}"/>
                         </page>
                         <page name="sub_tasks_page" string="Sub-tasks">
                             <field name="child_ids" context="{'default_parent_id': id, 'default_partner_id': partner_id, 'form_view_ref' : 'project.project_sharing_project_task_view_form'}">