diff --git a/rul_datasets/reader/femto.py b/rul_datasets/reader/femto.py
index b6ec809..105ebb6 100644
--- a/rul_datasets/reader/femto.py
+++ b/rul_datasets/reader/femto.py
@@ -125,10 +125,26 @@ def __init__(
                 "and 'max_rul' in conjunction."
             )
 
+        self.run_split_dist = run_split_dist
         self.first_time_to_predict = first_time_to_predict
         self.norm_rul = norm_rul
 
-        self._preparator = FemtoPreparator(self.fd, self._FEMTO_ROOT, run_split_dist)
+        self._preparator = FemtoPreparator(
+            self.fd, self._FEMTO_ROOT, self.run_split_dist
+        )
+
+    @property
+    def hparams(self):
+        hparams = super().hparams
+        hparams.update(
+            {
+                "first_time_to_predict": self.first_time_to_predict,
+                "norm_rul": self.norm_rul,
+                "run_split_dist": self.run_split_dist,
+            }
+        )
+
+        return hparams
 
     @property
     def dataset_name(self) -> str:
diff --git a/rul_datasets/reader/xjtu_sy.py b/rul_datasets/reader/xjtu_sy.py
index f31b621..78a5288 100644
--- a/rul_datasets/reader/xjtu_sy.py
+++ b/rul_datasets/reader/xjtu_sy.py
@@ -118,10 +118,26 @@ def __init__(
                 "and 'max_rul' in conjunction."
             )
 
+        self.run_split_dist = run_split_dist
         self.first_time_to_predict = first_time_to_predict
         self.norm_rul = norm_rul
 
-        self._preparator = XjtuSyPreparator(self.fd, self._XJTU_SY_ROOT, run_split_dist)
+        self._preparator = XjtuSyPreparator(
+            self.fd, self._XJTU_SY_ROOT, self.run_split_dist
+        )
+
+    @property
+    def hparams(self):
+        hparams = super().hparams
+        hparams.update(
+            {
+                "first_time_to_predict": self.first_time_to_predict,
+                "norm_rul": self.norm_rul,
+                "run_split_dist": self.run_split_dist,
+            }
+        )
+
+        return hparams
 
     @property
     def dataset_name(self) -> str:
diff --git a/tests/reader/test_femto.py b/tests/reader/test_femto.py
index 71ff79c..76925ec 100644
--- a/tests/reader/test_femto.py
+++ b/tests/reader/test_femto.py
@@ -5,22 +5,28 @@
 from rul_datasets import reader
 
 
-@pytest.fixture(scope="module", autouse=True)
-def prepare_femto():
-    for fd in range(1, 4):
-        reader.FemtoReader(fd).prepare_data()
+def test_additional_hparams():
+    femto = reader.FemtoReader(1, first_time_to_predict=[10] * 5, norm_rul=True)
+    assert femto.hparams["first_time_to_predict"] == [10] * 5
+    assert femto.hparams["norm_rul"]
+    assert femto.hparams["run_split_dist"] is None
 
 
 @pytest.mark.needs_data
-class TestFEMTOLoader:
+class TestFemtoReader:
     NUM_CHANNELS = 2
 
+    @pytest.fixture(scope="class", autouse=True)
+    def prepare_femto(self):
+        for fd in range(1, 4):
+            reader.FemtoReader(fd).prepare_data()
+
     @pytest.mark.parametrize("fd", [1, 2, 3])
     @pytest.mark.parametrize("window_size", [2560, 1500, 1000, 100])
     @pytest.mark.parametrize("split", ["dev", "val", "test"])
     def test_run_shape_and_dtype(self, fd, window_size, split):
-        femto_loader = reader.FemtoReader(fd, window_size=window_size)
-        features, targets = femto_loader.load_split(split)
+        femto_reader = reader.FemtoReader(fd, window_size=window_size)
+        features, targets = femto_reader.load_split(split)
         for run, run_target in zip(features, targets):
             self._assert_run_correct(run, run_target, window_size)
 
diff --git a/tests/reader/test_xjtu_sy.py b/tests/reader/test_xjtu_sy.py
index 2ff070c..a5343c3 100644
--- a/tests/reader/test_xjtu_sy.py
+++ b/tests/reader/test_xjtu_sy.py
@@ -7,16 +7,22 @@
 from rul_datasets.reader.xjtu_sy import _download_xjtu_sy
 
 
-@pytest.fixture(scope="module", autouse=True)
-def prepare_xjtu_sy():
-    for fd in range(1, 4):
-        reader.XjtuSyReader(fd).prepare_data()
+def test_additional_hparams():
+    femto = reader.XjtuSyReader(1, first_time_to_predict=[10] * 5, norm_rul=True)
+    assert femto.hparams["first_time_to_predict"] == [10] * 5
+    assert femto.hparams["norm_rul"]
+    assert femto.hparams["run_split_dist"] is None
 
 
 @pytest.mark.needs_data
 class TestXjtuSyLoader:
     NUM_CHANNELS = 2
 
+    @pytest.fixture(scope="class", autouse=True)
+    def prepare_xjtu_sy(self):
+        for fd in range(1, 4):
+            reader.XjtuSyReader(fd).prepare_data()
+
     def test_default_window_size(self):
         xjtu = reader.XjtuSyReader(1)
         assert xjtu.window_size == reader.XjtuSyPreparator.DEFAULT_WINDOW_SIZE