1 files changed, 2 insertions, 0 deletions
diff --git a/addons/project/models/project.py b/addons/project/models/project.py
index 0bdbbf2fab6..8de21782852 100644
--- a/addons/project/models/project.py
+++ b/addons/project/models/project.py
@@ -293,6 +293,7 @@ class Project(models.Model):
         return self.browse(new_project_id).write({'tasks': [(6, 0, tasks.ids)]})
 
     @api.multi
+    @api.returns('self', lambda value: value.id)
     def copy(self, default=None):
         if default is None:
             default = {}
@@ -642,6 +643,7 @@ class Task(models.Model):
                 raise ValidationError(_('Task %s can not have a parent task and subtasks. Only one subtask level is allowed.' % (task.name,)))
 
     @api.multi
+    @api.returns('self', lambda value: value.id)
     def copy(self, default=None):
         if default is None:
             default = {}