diff --git a/config/_default/config.toml b/config/_default/config.toml
index 1a599d8..69ba382 100644
--- a/config/_default/config.toml
+++ b/config/_default/config.toml
@@ -3,6 +3,7 @@ baseURL = "https://blog.kazu634.com/"
 defaultContentLanguage = "en"
 # language code
 languageCode = "jp"
+hasCJKLanguage = true
 title = "His greatness lies in his sense of responsibilities"
 
 # Change the default theme to be use when building the site with Hugo
diff --git a/config/staging/config.toml b/config/staging/config.toml
index 64bb5a7..5fb3274 100644
--- a/config/staging/config.toml
+++ b/config/staging/config.toml
@@ -3,6 +3,7 @@ baseURL = "https://test.kazu634.com/"
 defaultContentLanguage = "en"
 # language code
 languageCode = "jp"
+hasCJKLanguage = true
 title = "His greatness lies in his sense of responsibilities"
 
 # Change the default theme to be use when building the site with Hugo