diff --git a/egs/librispeech/ASR/local/.prepare_vox.py.swp b/egs/librispeech/ASR/local/.prepare_vox.py.swp
index 49e95439e..19c50977c 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 8bb87b0ca..7287c4627 100755
--- a/egs/librispeech/ASR/local/prepare_vox.py
+++ b/egs/librispeech/ASR/local/prepare_vox.py
@@ -182,4 +182,5 @@ def main(corpus_dir, spk_id):
 
 corpus_dir = sys.argv[1]
 spk_id = sys.argv[2]
+subset_name = sys.argv[3]
 main(corpus_dir, spk_id)