diff --git a/models/sale_order.py b/models/sale_order.py
index d260f84615b18db82bca4349dc213d857db6f15e..764fa676c21406b51d126e62620e1db83a4955e5 100644
--- a/models/sale_order.py
+++ b/models/sale_order.py
@@ -81,7 +81,7 @@ class SaleOrder(models.Model):
             project_date.lf_tarif_jour = lf_tarif_jour
             project_date.lf_total_budget = project_total_budget
             order.tasks_ids = self.env['project.task'].search([('sale_line_id', 'in', order.order_line.ids)])
-            order.tasks_unt = len(order.tasks_ids)
+            order.tasks_count = len(order.tasks_ids)
 
 class LeFilamentSaleOrderLine(models.Model):
     _inherit = "sale.order.line"