diff --git a/egs/callhome/eend_ola/run.sh b/egs/callhome/eend_ola/run.sh
index c8f4c3cea..7796a456a 100644
--- a/egs/callhome/eend_ola/run.sh
+++ b/egs/callhome/eend_ola/run.sh
@@ -83,7 +83,7 @@ if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
         else
             n_mixtures=500
         fi
-        simu_data_dir=${dset}_ns${simu_opts_num_speaker}_beta${simu_opts_sil_scale}_${n_mixtures}
+        simu_data_dir=${dset}_ns"$(IFS="n"; echo "${simu_opts_num_speaker_array[*]}")"_beta"$(IFS="n"; echo "${simu_opts_sil_scale_array[*]}")"_${n_mixtures}
         mkdir ${data_dir}/simu/data/${simu_data_dir}/.work
         split_scps=
         for n in $(seq $nj); do
diff --git a/egs/callhome/eend_ola/run_test.sh b/egs/callhome/eend_ola/run_test.sh
index a3257a08e..a26af5279 100644
--- a/egs/callhome/eend_ola/run_test.sh
+++ b/egs/callhome/eend_ola/run_test.sh
@@ -83,7 +83,7 @@ if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
         else
             n_mixtures=500
         fi
-        simu_data_dir=${dset}_ns${simu_opts_num_speaker}_beta${simu_opts_sil_scale}_${n_mixtures}
+        simu_data_dir=${dset}_ns"$(IFS="n"; echo "${simu_opts_num_speaker_array[*]}")"_beta"$(IFS="n"; echo "${simu_opts_sil_scale_array[*]}")"_${n_mixtures}
         mkdir ${data_dir}/simu/data/${simu_data_dir}/.work
         split_scps=
         for n in $(seq $nj); do