diff --git a/addons/hr_payroll/models/hr_salary_rule.py b/addons/hr_payroll/models/hr_salary_rule.py
index 9a6ccecf90c..65d6562be4e 100644
--- a/addons/hr_payroll/models/hr_salary_rule.py
+++ b/addons/hr_payroll/models/hr_salary_rule.py
@@ -211,7 +211,7 @@ class HrSalaryRule(models.Model):
         else:
             try:
                 safe_eval(self.amount_python_compute, localdict, mode='exec', nocopy=True)
-                return float(localdict['result']), 'result_qty' in localdict and localdict['result_qty'] or 1.0, 'result_rate' in localdict and localdict['result_rate'] or 100.0
+                return float(localdict['result']), localdict.get('result_qty', 1.0), localdict.get('result_rate', 100.0)
             except Exception as e:
                 raise UserError(_('Wrong python code defined for salary rule %s (%s).\nError: %s') % (self.name, self.code, e))
 
@@ -234,7 +234,7 @@ class HrSalaryRule(models.Model):
         else:  # python code
             try:
                 safe_eval(self.condition_python, localdict, mode='exec', nocopy=True)
-                return 'result' in localdict and localdict['result'] or False
+                return  localdict.get('result', False)
             except:
                 raise UserError(_('Wrong python condition defined for salary rule %s (%s).') % (self.name, self.code))