diff --git a/config/_default/config.toml b/config/_default/config.toml
index e87f31d..699225a 100644
--- a/config/_default/config.toml
+++ b/config/_default/config.toml
@@ -2,6 +2,7 @@ baseurl = "https://blog.kazu634.com/"
 title = "His greatness lies in his sense of responsibility"
 languageCode = "ja"
 theme = "angels-ladder"
+HasCJKLanguage = true
 
 [params]
   subtitle = "named after the quotation from Wind, Sand, and Stars by Saint Exupery."
diff --git a/config/staging/config.toml b/config/staging/config.toml
index da49e6a..7d27463 100644
--- a/config/staging/config.toml
+++ b/config/staging/config.toml
@@ -2,6 +2,7 @@ baseurl = "http://test.kazu634.com/"
 title = "His greatness lies in his sense of responsibility"
 languageCode = "ja"
 theme = "angels-ladder"
+HasCJKLanguage = true
 
 [params]
   subtitle = "named after the quotation from Wind, Sand, and Stars by Saint Exupery."