diff --git a/wage_type.py b/wage_type.py
index 58f5366..d84ac8a 100644
--- a/wage_type.py
+++ b/wage_type.py
@@ -163,9 +163,9 @@ class WageType(ModelSQL, ModelView):
         Compute a formula field with a salary value as float
         :return: A decimal
         '''
-        # Configuration = Pool().get('staff.configuration')
-        # configuration = Configuration(1)
-        # minimum_salary = float(configuration.minimum_salary or 0)
+        Configuration = Pool().get('staff.configuration')
+        configuration = Configuration(1)
+        minimum_salary = float(configuration.minimum_salary or 0)
         # formula = getattr(self, formula)
         if not formula:
             return Decimal('0.0')