diff --git a/egs/librispeech/ASR/local/.prepare_vox.py.swp b/egs/librispeech/ASR/local/.prepare_vox.py.swp
index 9705b48b6..8a176e437 100644
Binary files a/egs/librispeech/ASR/local/.prepare_vox.py.swp and b/egs/librispeech/ASR/local/.prepare_vox.py.swp differ
diff --git a/egs/librispeech/ASR/local/prepare_vox.py b/egs/librispeech/ASR/local/prepare_vox.py
index e5513df5c..1795ef676 100755
--- a/egs/librispeech/ASR/local/prepare_vox.py
+++ b/egs/librispeech/ASR/local/prepare_vox.py
@@ -30,6 +30,7 @@ def prepare_vox(
     corpus_dir: str,
     dataset_parts: str = "auto",
     output_dir: str = None,
+    spk_id:str = "6938",
     num_jobs: int = 1,
 ) -> Dict[str, Dict[str, Union[RecordingSet, SupervisionSet]]]:
     """