diff --git a/egs/librispeech/ASR/.prepare_vox.sh.swp b/egs/librispeech/ASR/.prepare_vox.sh.swp
index 2abf66d95..afe3d2273 100644
Binary files a/egs/librispeech/ASR/.prepare_vox.sh.swp and b/egs/librispeech/ASR/.prepare_vox.sh.swp differ
diff --git a/egs/librispeech/ASR/local/.prepare_vox.py.swp b/egs/librispeech/ASR/local/.prepare_vox.py.swp
index c142da4f7..ec3c5da48 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 841f7cf65..6a728a985 100755
--- a/egs/librispeech/ASR/local/prepare_vox.py
+++ b/egs/librispeech/ASR/local/prepare_vox.py
@@ -59,7 +59,7 @@ def prepare_vox(
     # )
 
     manifests = {}
-
+    spk_idx = spk_id.split('_')[1]
     #dataset_parts = ["train", "dev", "test"]
     dataset_parts = [spk_id]
     if output_dir is not None: