diff --git a/paramecio/cromosoma/extrafields/moneyfield.py b/paramecio/cromosoma/extrafields/moneyfield.py
index b02b4bf..c22fdec 100644
--- a/paramecio/cromosoma/extrafields/moneyfield.py
+++ b/paramecio/cromosoma/extrafields/moneyfield.py
@@ -1,6 +1,6 @@
 from paramecio.cromosoma.corefields import FloatField
 from decimal import Decimal, getcontext
-from locale import format
+from locale import format_string
 
 getcontext().prec=2
 
@@ -18,9 +18,9 @@ class MoneyField(FloatField):
 
     def show_formatted(self, value):
         
-        return format('%.2f', Decimal(value), grouping=True)
+        return format_string('%.2f', Decimal(value), grouping=True)
 
     @staticmethod
     def format_money(value):
-        return format('%.2f', Decimal(value), grouping=True)        
+        return format_string('%.2f', Decimal(value), grouping=True)