diff --git a/freqtrade/freqtradebot.py b/freqtrade/freqtradebot.py
index 15a3ae6ee..0bc11e0fd 100644
--- a/freqtrade/freqtradebot.py
+++ b/freqtrade/freqtradebot.py
@@ -62,7 +62,7 @@ from freqtrade.rpc.rpc_types import (
 )
 from freqtrade.strategy.interface import IStrategy
 from freqtrade.strategy.strategy_wrapper import strategy_safe_wrapper
-from freqtrade.util import MeasureTime
+from freqtrade.util import FtPrecise, MeasureTime
 from freqtrade.util.migrations.binance_mig import migrate_binance_futures_names
 from freqtrade.wallets import Wallets
 
@@ -784,7 +784,14 @@ class FreqtradeBot(LoggingMixin):
         if stake_amount is not None and stake_amount < 0.0:
             # We should decrease our position
             amount = self.exchange.amount_to_contract_precision(
-                trade.pair, abs(float(stake_amount * trade.amount / trade.stake_amount))
+                trade.pair,
+                abs(
+                    float(
+                        FtPrecise(stake_amount)
+                        * FtPrecise(trade.amount)
+                        / FtPrecise(trade.stake_amount)
+                    )
+                ),
             )
 
             if amount == 0.0: