diff --git a/tests/data/test_dataprovider.py b/tests/data/test_dataprovider.py
index a64dce908..a3c57a77b 100644
--- a/tests/data/test_dataprovider.py
+++ b/tests/data/test_dataprovider.py
@@ -52,6 +52,31 @@ def test_historic_ohlcv(mocker, default_conf, ohlcv_history):
     assert historymock.call_args_list[0][1]["timeframe"] == "5m"
 
 
+def test_historic_ohlcv_dataformat(mocker, default_conf, ohlcv_history):
+    hdf5loadmock = MagicMock(return_value=ohlcv_history)
+    jsonloadmock = MagicMock(return_value=ohlcv_history)
+    mocker.patch("freqtrade.data.history.hdf5datahandler.HDF5DataHandler._ohlcv_load", hdf5loadmock)
+    mocker.patch("freqtrade.data.history.jsondatahandler.JsonDataHandler._ohlcv_load", jsonloadmock)
+
+    default_conf["runmode"] = RunMode.BACKTEST
+    exchange = get_patched_exchange(mocker, default_conf)
+    dp = DataProvider(default_conf, exchange)
+    data = dp.historic_ohlcv("UNITTEST/BTC", "5m")
+    assert isinstance(data, DataFrame)
+    hdf5loadmock.assert_not_called()
+    jsonloadmock.assert_called_once()
+
+    # Swiching to dataformat hdf5
+    hdf5loadmock.reset_mock()
+    jsonloadmock.reset_mock()
+    default_conf["dataformat_ohlcv"] = "hdf5"
+    dp = DataProvider(default_conf, exchange)
+    data = dp.historic_ohlcv("UNITTEST/BTC", "5m")
+    assert isinstance(data, DataFrame)
+    hdf5loadmock.assert_called_once()
+    jsonloadmock.assert_not_called()
+
+
 def test_get_pair_dataframe(mocker, default_conf, ohlcv_history):
     default_conf["runmode"] = RunMode.DRY_RUN
     timeframe = default_conf["timeframe"]