diff --git a/egs/multi_zh-hans/ASR/zipformer/ctc_decode.py b/egs/multi_zh-hans/ASR/zipformer/ctc_decode.py
index c510a2d49..0036bb5bd 100755
--- a/egs/multi_zh-hans/ASR/zipformer/ctc_decode.py
+++ b/egs/multi_zh-hans/ASR/zipformer/ctc_decode.py
@@ -529,7 +529,6 @@ def main():
     args = parser.parse_args()
     args.exp_dir = Path(args.exp_dir)
     args.lang_dir = Path(args.lang_dir)
-    args.lm_dir = Path(args.lm_dir)
 
     params = get_params()
     # add decoding params