diff --git a/freqtrade/optimize/backtesting.py b/freqtrade/optimize/backtesting.py
index 88957bafb..b03a459ea 100644
--- a/freqtrade/optimize/backtesting.py
+++ b/freqtrade/optimize/backtesting.py
@@ -255,7 +255,7 @@ class Backtesting:
                                          low=sell_row[LOW_IDX], high=sell_row[HIGH_IDX])
 
         if sell.sell_flag:
-            trade.close_date = sell_row[DATE_IDX]
+            trade.close_date = sell_row[DATE_IDX].to_pydatetime()
             trade.sell_reason = sell.sell_reason
             trade_dur = int((trade.close_date_utc - trade.open_date_utc).total_seconds() // 60)
             closerate = self._get_close_rate(sell_row, trade, sell, trade_dur)
@@ -294,7 +294,7 @@ class Backtesting:
             trade = LocalTrade(
                 pair=pair,
                 open_rate=row[OPEN_IDX],
-                open_date=row[DATE_IDX],
+                open_date=row[DATE_IDX].to_pydatetime(),
                 stake_amount=stake_amount,
                 amount=round(stake_amount / row[OPEN_IDX], 8),
                 fee_open=self.fee,
@@ -316,7 +316,7 @@ class Backtesting:
                 for trade in open_trades[pair]:
                     sell_row = data[pair][-1]
 
-                    trade.close_date = sell_row[DATE_IDX]
+                    trade.close_date = sell_row[DATE_IDX].to_pydatetime()
                     trade.sell_reason = SellType.FORCE_SELL.value
                     trade.close(sell_row[OPEN_IDX], show_msg=False)
                     LocalTrade.close_bt_trade(trade)