diff --git a/egs/librispeech/ASR/local/.compute_fbank_vox.py.swp b/egs/librispeech/ASR/local/.compute_fbank_vox.py.swp
index ebf10d617..e233c65e4 100644
Binary files a/egs/librispeech/ASR/local/.compute_fbank_vox.py.swp and b/egs/librispeech/ASR/local/.compute_fbank_vox.py.swp differ
diff --git a/egs/librispeech/ASR/local/compute_fbank_vox.py b/egs/librispeech/ASR/local/compute_fbank_vox.py
index 45c4b47d6..cc128ebd9 100755
--- a/egs/librispeech/ASR/local/compute_fbank_vox.py
+++ b/egs/librispeech/ASR/local/compute_fbank_vox.py
@@ -73,6 +73,11 @@ def get_args():
         type=str2bool,
         default=False,
     )
+    
+    parser.add_argument(
+        "--prefix",
+        type=str,
+    )
 
     return parser.parse_args()
 
@@ -96,7 +101,7 @@ def compute_fbank_LJSpeech(bpe_model: Optional[str] = None, args: Optional = Non
 
     #parts = ['train', 'dev', 'test']
     parts = [args.spk_id]
-    prefix = "vox"
+    prefix = args.prefix
     suffix = "jsonl.gz"
     manifests = read_manifests_if_cached(
         dataset_parts=parts,