diff --git a/mrp_average_cost/models/mrp.py b/mrp_average_cost/models/mrp.py
index 8648c0f..e81d633 100644
--- a/mrp_average_cost/models/mrp.py
+++ b/mrp_average_cost/models/mrp.py
@@ -75,7 +75,7 @@ class MrpBom(models.Model):
     total_labour_cost = fields.Float(
         compute='_compute_total_labour_cost', readonly=True,
         digits=dp.get_precision('Product Price'),
-        string="Total Labour Cost", store=True)
+        string="Total Labour Cost", store=True, track_visibility='onchange')
     extra_cost = fields.Float(
         string='Extra Cost', track_visibility='onchange',
         digits=dp.get_precision('Product Price'),
diff --git a/sale_usability/sale.py b/sale_usability/sale.py
index f5c5d18..668d088 100644
--- a/sale_usability/sale.py
+++ b/sale_usability/sale.py
@@ -12,6 +12,7 @@ class SaleOrder(models.Model):
 
     date_order = fields.Datetime(track_visibility='onchange')
     confirmation_date = fields.Datetime(track_visibility='onchange')
+    commitment_date = fields.Datetime(track_visibility='onchange')
     client_order_ref = fields.Char(track_visibility='onchange')
     # for partner_id, the 'sale' module sets track_visibility='always'
     partner_id = fields.Many2one(track_visibility='onchange')