diff --git a/addons/project/views/project_views.xml b/addons/project/views/project_views.xml
index a2027ecf442..ebc2625ed19 100644
--- a/addons/project/views/project_views.xml
+++ b/addons/project/views/project_views.xml
@@ -237,7 +237,7 @@
             <field name="arch" type="xml">
                 <form string="Project" delete="0">
                     <header>
-                        <button name="%(portal.portal_share_action)d" string="Share" type="action" class="oe_highlight oe_read_only" groups="project.group_project_manager"
+                        <button name="%(portal.portal_share_action)d" string="Share" type="action" class="oe_highlight" groups="project.group_project_manager"
                         attrs="{'invisible': [('privacy_visibility', '!=', 'portal')]}"/>
                     </header>
                 <sheet string="Project">