diff --git a/hezar/data/data_collators.py b/hezar/data/data_collators.py
index b6bc45a1..fc903ac2 100644
--- a/hezar/data/data_collators.py
+++ b/hezar/data/data_collators.py
@@ -229,9 +229,9 @@ def __init__(
         self,
         feature_extractor: AudioFeatureExtractor,
         tokenizer: Tokenizer,
-        inputs_padding_type: str = "longest",
+        inputs_padding_type: str = None,
         inputs_max_length: int = None,
-        labels_padding_type: str = "longest",
+        labels_padding_type: str = None,
         labels_max_length: int = None,
     ):
         self.feature_extractor = feature_extractor
diff --git a/hezar/data/datasets/speech_recognition_dataset.py b/hezar/data/datasets/speech_recognition_dataset.py
index fd69c926..082fd49e 100644
--- a/hezar/data/datasets/speech_recognition_dataset.py
+++ b/hezar/data/datasets/speech_recognition_dataset.py
@@ -2,7 +2,7 @@
 
 from dataclasses import dataclass
 
-from datasets import Audio, load_dataset
+from datasets import Audio, load_dataset, load_from_disk
 
 from .dataset import Dataset
 from ..data_collators import SpeechRecognitionDataCollator
@@ -44,14 +44,14 @@ def __init__(self, config: SpeechRecognitionDatasetConfig, split=None, **kwargs)
         self.data_collator = SpeechRecognitionDataCollator(
             self.feature_extractor,
             self.tokenizer,
-            inputs_padding_type="max_length" if self.config.audio_array_padding_type is not None else "longest",
+            inputs_padding_type="max_length" if self.config.max_audio_array_length is not None else "longest",
             inputs_max_length=self.config.max_audio_array_length,
-            labels_padding_type=self.config.labels_padding_type,
+            labels_padding_type="max_length" if self.config.labels_max_length is not None else "longest",
             labels_max_length=self.config.labels_max_length,
         )
 
     def _load(self, split):
-        data = load_dataset(self.config.path, split=split)
+        data = load_from_disk(self.config.path)[split]
         data = data.cast_column(self.config.audio_column, Audio(sampling_rate=self.config.sampling_rate))
         return data