diff --git a/freqtrade/strategy/interface.py b/freqtrade/strategy/interface.py
index b47fbf028..1364898fc 100644
--- a/freqtrade/strategy/interface.py
+++ b/freqtrade/strategy/interface.py
@@ -797,7 +797,6 @@ class IStrategy(ABC, HyperStrategyMixin):
             if exit_:
                 exit_signal = ExitType.EXIT_SIGNAL
             else:
-                trade_type = "exit_short" if trade.is_short else "sell"
                 custom_reason = strategy_safe_wrapper(self.custom_exit, default_retval=False)(
                     pair=trade.pair, trade=trade, current_time=date, current_rate=current_rate,
                     current_profit=current_profit)
@@ -805,8 +804,8 @@ class IStrategy(ABC, HyperStrategyMixin):
                     exit_signal = ExitType.CUSTOM_EXIT
                     if isinstance(custom_reason, str):
                         if len(custom_reason) > CUSTOM_EXIT_MAX_LENGTH:
-                            logger.warning(f'Custom {trade_type} reason returned from '
-                                           f'custom_{trade_type} is too long and was trimmed'
+                            logger.warning(f'Custom exit reason returned from '
+                                           f'custom_exit is too long and was trimmed'
                                            f'to {CUSTOM_EXIT_MAX_LENGTH} characters.')
                             custom_reason = custom_reason[:CUSTOM_EXIT_MAX_LENGTH]
                     else:
diff --git a/tests/strategy/test_interface.py b/tests/strategy/test_interface.py
index cf70ea078..bdd470b47 100644
--- a/tests/strategy/test_interface.py
+++ b/tests/strategy/test_interface.py
@@ -507,7 +507,8 @@ def test_custom_exit(default_conf, fee, caplog) -> None:
     assert res.exit_type == ExitType.CUSTOM_EXIT
     assert res.exit_flag is True
     assert res.exit_reason == 'h' * 64
-    assert log_has_re('Custom exit reason returned from custom_exit is too long.*', caplog)
+    assert log_has_re(
+        'Custom exit reason returned from custom_exit is too long.*', caplog)
 
 
 @pytest.mark.parametrize('side', TRADE_SIDES)