diff --git a/models/account.py b/models/account.py
index 8147b4b3d089154026901fc4168b262bd18800b1..dd9cea2ad8863eaac6de4c4995a040b7e85d6a00 100644
--- a/models/account.py
+++ b/models/account.py
@@ -12,6 +12,7 @@ class AccountAnalyticLine(models.Model):
     task_type_id = fields.Many2one(
         comodel_name='project.type',
         string='Type de tâche',
+        domain="[('task_ok', '=', True)]"
     )
     project_type_id = fields.Many2one(
         comodel_name='project.type',