diff --git a/freqtrade/optimize/backtesting.py b/freqtrade/optimize/backtesting.py
index 326c48c62..1d36349d3 100644
--- a/freqtrade/optimize/backtesting.py
+++ b/freqtrade/optimize/backtesting.py
@@ -565,7 +565,8 @@ class Backtesting:
 
         if stake_amount is not None and stake_amount < 0.0:
             amount = amount_to_contract_precision(
-                abs(stake_amount * trade.leverage) / current_rate, trade.amount_precision,
+                abs(stake_amount * trade.amount / trade.stake_amount),
+                trade.amount_precision,
                 self.precision_mode, trade.contract_size)
             if amount == 0.0:
                 return trade