diff --git a/addons/project/project.py b/addons/project/project.py
index 27ac14f7462..70c7914c537 100644
--- a/addons/project/project.py
+++ b/addons/project/project.py
@@ -568,6 +568,7 @@ class task(osv.osv):
         },
         'kanban_state': {
             'project.mt_task_blocked': lambda self, cr, uid, obj, ctx=None: obj.kanban_state == 'blocked',
+            'project.mt_task_done': lambda self, cr, uid, obj, ctx=None: obj.kanban_state == 'done',
         },
     }
 
diff --git a/addons/project/project_data.xml b/addons/project/project_data.xml
index 7ddc983bf1c..fb70d875146 100644
--- a/addons/project/project_data.xml
+++ b/addons/project/project_data.xml
@@ -92,6 +92,12 @@
             <field name="default" eval="False"/>
             <field name="description">Task blocked</field>
         </record>
+        <record id="mt_project_task_done" model="mail.message.subtype">
+            <field name="name">Task Done</field>
+            <field name="res_model">project.task</field>
+            <field name="default" eval="False"/>
+            <field name="description">Task Done</field>
+        </record>
         <record id="mt_task_stage" model="mail.message.subtype">
             <field name="name">Stage Changed</field>
             <field name="res_model">project.task</field>