diff --git a/egs/librispeech/ASR/zipformer/jit_pretrained_ctc.py b/egs/librispeech/ASR/zipformer/jit_pretrained_ctc.py
index 59c268572..a019803c6 100755
--- a/egs/librispeech/ASR/zipformer/jit_pretrained_ctc.py
+++ b/egs/librispeech/ASR/zipformer/jit_pretrained_ctc.py
@@ -411,8 +411,8 @@ def main():
 
     s = "\n"
     for filename, hyp in zip(params.sound_files, hyps):
-        words = " ".join(hyp)
-        words = words.replace("▁", "").strip()
+        words = "".join(hyp)
+        words = words.replace("▁", " ").strip()
         s += f"{filename}:\n{words}\n\n"
     logging.info(s)
 
diff --git a/egs/librispeech/ASR/zipformer/pretrained_ctc.py b/egs/librispeech/ASR/zipformer/pretrained_ctc.py
index 3508978d8..5494aefbd 100755
--- a/egs/librispeech/ASR/zipformer/pretrained_ctc.py
+++ b/egs/librispeech/ASR/zipformer/pretrained_ctc.py
@@ -430,7 +430,7 @@ def main():
 
     s = "\n"
     for filename, hyp in zip(params.sound_files, hyps):
-        words = " ".join(hyp)
+        words = "".join(hyp)
         words = words.replace("▁", " ").strip()
         s += f"{filename}:\n{words}\n\n"
     logging.info(s)