diff --git a/examples/industrial_data_pretraining/lcbnet/demo_nj.sh b/examples/industrial_data_pretraining/lcbnet/demo_nj.sh
index 9d7755f2e..c7e17594c 100755
--- a/examples/industrial_data_pretraining/lcbnet/demo_nj.sh
+++ b/examples/industrial_data_pretraining/lcbnet/demo_nj.sh
@@ -56,11 +56,9 @@ echo "inference_dir: ${inference_dir}"
 
 #mkdir -p ${inference_dir}/1best_recog
 
-if [ -f "${inference_dir}/${JOB}/1best_recog/token" ]; then
-    for JOB in $(seq "${nj}"); do
-        cat "${inference_dir}/${JOB}/1best_recog/token" >> "${inference_dir}/1best_recog/token"
-    done  
-fi
+for JOB in $(seq "${nj}"); do
+    cat "${inference_dir}/${JOB}/1best_recog/token" >> "${inference_dir}/1best_recog/token"
+done  
 
 echo "Computing WER ..."
 echo "Computing WER ..."