diff --git a/tests/optimize/test_hyperopt.py b/tests/optimize/test_hyperopt.py
index ff485d423..6a2d3f251 100644
--- a/tests/optimize/test_hyperopt.py
+++ b/tests/optimize/test_hyperopt.py
@@ -699,7 +699,10 @@ def test_print_json_spaces_all(mocker, default_conf, caplog, capsys) -> None:
 
     parallel = mocker.patch(
         'freqtrade.optimize.hyperopt.Hyperopt.run_optimizer_parallel',
-        MagicMock(return_value=[{'loss': 1, 'results_explanation': 'foo result', 'params': {}}])
+        MagicMock(return_value=[{'loss': 1, 'results_explanation': 'foo result', 'params': {},
+                                 'params_details': {'buy': {'mfi-value': None},
+                                                    'sell': {'sell-mfi-value': None},
+                                                    'roi': {}, 'stoploss': None}}])
     )
     patch_exchange(mocker)
 
@@ -721,7 +724,7 @@ def test_print_json_spaces_all(mocker, default_conf, caplog, capsys) -> None:
     parallel.assert_called_once()
 
     out, err = capsys.readouterr()
-    assert '{"params":{"mfi-value":null,"fastd-value":null,"adx-value":null,"rsi-value":null,"mfi-enabled":null,"fastd-enabled":null,"adx-enabled":null,"rsi-enabled":null,"trigger":null,"sell-mfi-value":null,"sell-fastd-value":null,"sell-adx-value":null,"sell-rsi-value":null,"sell-mfi-enabled":null,"sell-fastd-enabled":null,"sell-adx-enabled":null,"sell-rsi-enabled":null,"sell-trigger":null},"minimal_roi":{},"stoploss":null}' in out  # noqa: E501
+    assert '{"params":{"mfi-value":null,"sell-mfi-value":null},"minimal_roi":{},"stoploss":null}' in out  # noqa: E501
     assert dumper.called
     # Should be called twice, once for tickerdata, once to save evaluations
     assert dumper.call_count == 2