diff --git a/modules/automation/cron.py b/modules/automation/cron.py
index a9e4f5a..813660f 100644
--- a/modules/automation/cron.py
+++ b/modules/automation/cron.py
@@ -305,7 +305,7 @@ class AutomationCron(ModelSQL, ModelView):
                     shipment.bl_number = bl_number
                     shipment.bl_date = bl_date
                     shipment.etd = etd_date
-                    shipment.eta = bl_date  + timedelta(days=20)
+                    shipment.eta = shipment.bl_date + timedelta(days=20)
                     
                     # Sauvegarder ce shipment uniquement
                     ShipmentIn.save([shipment])