diff --git a/addons/sale_timesheet/models/sale_order.py b/addons/sale_timesheet/models/sale_order.py
index 15317fc4ddd..fc871c98d39 100644
--- a/addons/sale_timesheet/models/sale_order.py
+++ b/addons/sale_timesheet/models/sale_order.py
@@ -269,6 +269,11 @@ class SaleOrderLine(models.Model):
             })
         else:
             project = self.env['project.project'].create(values)
+
+        # Avoid new tasks to go to 'Undefined Stage'
+        if not project.type_ids:
+            project.type_ids = self.env['project.task.type'].create({'name': _('New')})
+
         # link project as generated by current so line
         self.write({'project_id': project.id})
         return project