diff --git a/egs/librispeech/ASR/.prepare_vox.sh.swp b/egs/librispeech/ASR/.prepare_vox.sh.swp
index 3e327bded..25e1284e6 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/prepare_vox.sh b/egs/librispeech/ASR/prepare_vox.sh
index f9ab54657..e43d449da 100755
--- a/egs/librispeech/ASR/prepare_vox.sh
+++ b/egs/librispeech/ASR/prepare_vox.sh
@@ -99,7 +99,7 @@ if [ $stage -le 1 ] && [ $stop_stage -ge 1 ]; then
   if [ ! -e data/manifests/.vox.done ]; then
 	for dest in "test-clean" "test-other"; do
 		for spk in $dl_dir/$dest/*; do
-			spk_id=${spk#*$dest/}
+			spk_id=${spk#*$dest\/}
 			echo $spk_id
     		python local/prepare_vox.py $spk $spk
 		done