diff --git a/freqtrade/fiat_convert.py b/freqtrade/fiat_convert.py
index 4874247db..f73de4bec 100644
--- a/freqtrade/fiat_convert.py
+++ b/freqtrade/fiat_convert.py
@@ -10,7 +10,7 @@ from coinmarketcap import Market
 logger = logging.getLogger(__name__)
 
 
-class CryptoFiat():
+class CryptoFiat(object):
     """
     Object to describe what is the price of Crypto-currency in a FIAT
     """