diff --git a/lhotse/recipes/tal_csasr.py b/lhotse/recipes/tal_csasr.py
index 261ef680b..cbe28c31c 100644
--- a/lhotse/recipes/tal_csasr.py
+++ b/lhotse/recipes/tal_csasr.py
@@ -40,7 +40,7 @@ def text_normalize(line: str):
     line = line.replace("ａ", "a")
     line = line.replace("Ｉ", "I")
     line = re.sub(
-        f'#|[=]|；|，|？|。|[/]|！|[!]|[.]|[?]|：|,|"|:|@|-|、|~|《|》|[|]|、|.', "", line
+        f'#|[=]|；|，|？|。|[/]|！|[!]|[.]|[?]|：|,|"|:|@|-|、|~|《|》|[|]|、|\.', "", line
     )
     line = line.replace("Ｅ", "E")
     line = line.replace("Ｎ", "N")