diff --git a/card_installment/models/account_card_installment.py b/card_installment/models/account_card_installment.py
index 64c74490f..44ae20e37 100644
--- a/card_installment/models/account_card_installment.py
+++ b/card_installment/models/account_card_installment.py
@@ -77,5 +77,5 @@ def map_installment_values(self, amount_total):
                     'base_amount': amount_total,
                     'amount': amount,
                     'fee': amount - amount_total,
-                    'description': _('%s installment of %.2f (total %.2f)' % (self.divisor, amount / self.divisor, amount))
+                    'description': _('%s installment of %.2f (total %.2f)') % (self.divisor, amount / self.divisor, amount)
                 }