diff --git a/components/locale/tr_TR.tsx b/components/locale/tr_TR.tsx
index 54b4265cbc..e08c2d6614 100644
--- a/components/locale/tr_TR.tsx
+++ b/components/locale/tr_TR.tsx
@@ -75,6 +75,7 @@ const localeValues: Locale = {
     back: 'Geri',
   },
   Form: {
+    optional: '(opsiyonel)',
     defaultValidateMessages: {
       default: 'Alan doğrulama hatası ${label}',
       required: '${label} gerekli bir alan',