diff --git a/src/layouts/components/NavBarI18n.vue b/src/layouts/components/NavBarI18n.vue
index 86c122e5..0f1b8c99 100644
--- a/src/layouts/components/NavBarI18n.vue
+++ b/src/layouts/components/NavBarI18n.vue
@@ -16,6 +16,10 @@ const i18nLangs: Array<{ label: string; i18nLang: string }> = [
         label: 'Indonesian',
         i18nLang: 'id',
     },
+    {
+        label: '日本語',
+        i18nLang: 'jo',
+    },
 ];
 
 let locale = ref(useI18n({ useScope: 'global' }).locale);