diff --git a/addons/hr_contract/models/hr_contract.py b/addons/hr_contract/models/hr_contract.py
index 0633a5b68e4..24146e75240 100644
--- a/addons/hr_contract/models/hr_contract.py
+++ b/addons/hr_contract/models/hr_contract.py
@@ -210,7 +210,6 @@ class Contract(models.Model):
         return self[self._get_contract_wage_field()]
 
     def _get_contract_wage_field(self):
-        self.ensure_one()
         return 'wage'
 
     def write(self, vals):