diff --git a/src/utils/ui.ts b/src/utils/ui.ts
index ed128913..217762e5 100644
--- a/src/utils/ui.ts
+++ b/src/utils/ui.ts
@@ -51,7 +51,13 @@ export enum Lang {
 export function initLang(): Lang {
   const { locale } = i18n.global;
   const current = localStorage.getItem('currentLanguage') as Lang | null;
+
+  if (locale.value !== Lang.English && locale.value !== Lang.Thai) {
+    return setLang(Lang.Thai);
+  }
+
   if (!current) return setLang(locale.value as Lang);
+
   return setLang(current);
 }