diff --git a/modules/sale/product.py b/modules/sale/product.py
index 4382bc4930..0653be0167 100644
--- a/modules/sale/product.py
+++ b/modules/sale/product.py
@@ -33,6 +33,10 @@ class DefaultLeadTime(ModelSQL, ValueMixin):
     __name__ = 'product.configuration.default_lead_time'
     default_lead_time = default_lead_time
 
+    @classmethod
+    def default_default_lead_time(cls, **pattern):
+        return datetime.timedelta(0)
+
 
 class Template(metaclass=PoolMeta):
     __name__ = 'product.template'