diff --git a/pelicanconf.py b/pelicanconf.py
index 10fa25b..a825373 100644
--- a/pelicanconf.py
+++ b/pelicanconf.py
@@ -14,7 +14,7 @@ TIMEZONE = 'Asia/Seoul'
 DEFAULT_LANG = 'en'
 DEFAULT_DATE = 'fs'
 #2020-04-15T16-49-26+0900_<title>
-FILENAME_METADATA = r'(?P<date>\d{4}-\d{2}-\d{2})T(?P<time>\d{2}-\d{2}-\d{2}) ((?P<title>.*)).*'
+FILENAME_METADATA = r'(?P<date>\d{4}-\d{2}-\d{2})_(?P<time>\d{2}-\d{2}-\d{2})_\((?P<title>.*)\).*'
 
 # Feed generation is usually not desired when developing
 FEED_ALL_ATOM = None