diff --git a/egs/aishell/transformer/utils/compute_cmvn.sh b/egs/aishell/transformer/utils/compute_cmvn.sh
index e25e30c6f..fa423a7f5 100755
--- a/egs/aishell/transformer/utils/compute_cmvn.sh
+++ b/egs/aishell/transformer/utils/compute_cmvn.sh
@@ -29,6 +29,6 @@ split_dir=${fbankdir}/cmvn/split_${nj};
 
 #python utils/combine_cmvn_file.py --dim ${feats_dim} --cmvn_dir $split_dir --nj $nj --output_dir ${fbankdir}/cmvn
 
-python utils/cmvn_converter.py -c ${fbankdir}/cmvn/cmvn.json -a ${fbankdir}/cmvn.mvn
+python utils/cmvn_converter.py --cmvn_json ${fbankdir}/cmvn/cmvn.json --am_mvn ${fbankdir}/cmvn/cmvn.mvn
 
 echo "$0: Succeeded compute global cmvn"