diff --git a/freqtrade/exchange/common.py b/freqtrade/exchange/common.py
index ce0fde9e4..c66db860f 100644
--- a/freqtrade/exchange/common.py
+++ b/freqtrade/exchange/common.py
@@ -21,6 +21,7 @@ BAD_EXCHANGES = {
     "hitbtc": "This API cannot be used with Freqtrade. "
               "Use `hitbtc2` exchange id to access this exchange.",
     "phemex": "Does not provide history. ",
+    "poloniex": "Does not provide fetch_order endpoint to fetch both open and closed orders.",
     **dict.fromkeys([
         'adara',
         'anxpro',