diff --git a/python/dolma/taggers/punctuation.py b/python/dolma/taggers/punctuation.py
index 3eafae36..0f8049a9 100644
--- a/python/dolma/taggers/punctuation.py
+++ b/python/dolma/taggers/punctuation.py
@@ -18,7 +18,7 @@ def __init__(self) -> None:
             "\U0001f300-\U0001f64f"
             "\U0001f680-\U0001f6ff"
             "\u2600-\u26ff\u2700-\u27bf"
-            r"]+"
+            r"]"
             r")+$",
             regex.UNICODE,
         )