diff --git a/pelicanconf.py b/pelicanconf.py
index 4bf1c5f..5080a7e 100644
--- a/pelicanconf.py
+++ b/pelicanconf.py
@@ -12,6 +12,7 @@ OUTPUT_PATH = 'public'
 TIMEZONE = 'Asia/Seoul'
 
 DEFAULT_LANG = 'en'
+DEFAULT_DATE = 'fs'
 FILENAME_METADATA = '(?P<title>.*)'
 
 # Feed generation is usually not desired when developing