diff --git a/egs/librispeech/ASR/local/.prepare_vox.py.swp b/egs/librispeech/ASR/local/.prepare_vox.py.swp
index ec3c5da48..4a936ed5a 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 6a728a985..b75f24b7e 100755
--- a/egs/librispeech/ASR/local/prepare_vox.py
+++ b/egs/librispeech/ASR/local/prepare_vox.py
@@ -61,7 +61,7 @@ def prepare_vox(
     manifests = {}
     spk_idx = spk_id.split('_')[1]
     #dataset_parts = ["train", "dev", "test"]
-    dataset_parts = [spk_id]
+    dataset_parts = [spk_idx]
     if output_dir is not None:
         output_dir = Path(output_dir)
         output_dir.mkdir(parents=True, exist_ok=True)