diff --git a/freqtrade/exchange/gateio.py b/freqtrade/exchange/gateio.py
index 656a1e30f..609cf4901 100644
--- a/freqtrade/exchange/gateio.py
+++ b/freqtrade/exchange/gateio.py
@@ -66,7 +66,7 @@ class Gateio(Exchange):
                         if pair_fees.get(takerOrMaker) is not None:
                             trades[idx]['fee'] = {
                                 'currency': self.get_pair_quote_currency(pair),
-                                'cost': abs(trade['cost']) * pair_fees[takerOrMaker],
+                                'cost': trade['cost'] * pair_fees[takerOrMaker],
                                 'rate': pair_fees[takerOrMaker],
                             }
         return trades
diff --git a/tests/exchange/test_gateio.py b/tests/exchange/test_gateio.py
index c718c3838..ad30a7d86 100644
--- a/tests/exchange/test_gateio.py
+++ b/tests/exchange/test_gateio.py
@@ -73,10 +73,10 @@ def test_stoploss_adjust_gateio(mocker, default_conf, sl1, sl2, sl3, side):
     assert exchange.stoploss_adjust(sl1, order, side)
     assert not exchange.stoploss_adjust(sl2, order, side)
 
+
 @pytest.mark.parametrize('takerormaker,rate,cost', [
     ('taker', 0.0005, 0.0001554325),
     ('maker', 0.0, 0.0),
-
 ])
 def test_fetch_my_trades_gateio(mocker, default_conf, takerormaker, rate, cost):
     mocker.patch('freqtrade.exchange.Exchange.exchange_has', return_value=True)