diff --git a/freqtrade/tests/optimize/test_hyperopt.py b/freqtrade/tests/optimize/test_hyperopt.py
index c070abcd2..d18b1bb2b 100644
--- a/freqtrade/tests/optimize/test_hyperopt.py
+++ b/freqtrade/tests/optimize/test_hyperopt.py
@@ -289,7 +289,7 @@ def test_buy_strategy_generator(init_hyperopt) -> None:
             'trigger': 'bb_lower'
         }
     )
-    result = populate_buy_trend(dataframe)
+    result = populate_buy_trend(dataframe, 'UNITTEST/BTC')
     # Check if some indicators are generated. We will not test all of them
     assert 'buy' in result
     assert 1 in result['buy']