diff --git a/freqtrade/exchange/exchange.py b/freqtrade/exchange/exchange.py
index e98244656..7e97923b0 100644
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -200,7 +200,7 @@ class Exchange(object):
         try:
             markets = self._api.load_markets()
             self._load_async_markets()
-            return markets
+            return markets  # prbly not necessary to return anything anymore
         except ccxt.BaseError as e:
             logger.warning('Unable to initialize markets. Reason: %s', e)
         return {}