diff --git a/tests/data/test_converter.py b/tests/data/test_converter.py
index 08fc785aa..2202ada44 100644
--- a/tests/data/test_converter.py
+++ b/tests/data/test_converter.py
@@ -542,7 +542,9 @@ def test_convert_trades_to_ohlcv(testdatadir, tmp_path, caplog):
 
     convert_trades_to_ohlcv([pair], timeframes=['1m', '5m'],
                             data_format_trades='jsongz',
-                            datadir=tmp_path, timerange=tr, erase=True)
+                            datadir=tmp_path, timerange=tr, erase=True,
+                            data_format_ohlcv='feather',
+                            candle_type=CandleType.SPOT)
 
     assert log_has("Deleting existing data for pair XRP/ETH, interval 1m.", caplog)
     # Load new data
@@ -556,5 +558,7 @@ def test_convert_trades_to_ohlcv(testdatadir, tmp_path, caplog):
 
     convert_trades_to_ohlcv(['NoDatapair'], timeframes=['1m', '5m'],
                             data_format_trades='jsongz',
-                            datadir=tmp_path, timerange=tr, erase=True)
+                            datadir=tmp_path, timerange=tr, erase=True,
+                            data_format_ohlcv='feather',
+                            candle_type=CandleType.SPOT)
     assert log_has(msg, caplog)