diff --git a/modules/automation/automation.py b/modules/automation/automation.py
index 4b3731c..da45a96 100644
--- a/modules/automation/automation.py
+++ b/modules/automation/automation.py
@@ -319,6 +319,10 @@ class AutomationDocument(ModelSQL, ModelView, Workflow):
                                 d.unit = sale_line.unit
                                 d.price = sale_line.unit_price
                                 d.price_type = 'priced'
+                                d.crop = None
+                                d.tol_min = 0
+                                d.tol_max = 0
+                                d.incoterm = None
                                 ct.contracts = [d]
                                 ContractFactory.create_contracts(
                                     ct.contracts,