diff --git a/ui/i18n/datepicker-ko.js b/ui/i18n/datepicker-ko.js
index 24a4ad693..8879a9950 100644
--- a/ui/i18n/datepicker-ko.js
+++ b/ui/i18n/datepicker-ko.js
@@ -25,7 +25,7 @@ datepicker.regional.ko = {
 	dayNamesShort: [ "일","월","화","수","목","금","토" ],
 	dayNamesMin: [ "일","월","화","수","목","금","토" ],
 	weekHeader: "주",
-	dateFormat: "yy-mm-dd",
+	dateFormat: "yy. m. d.",
 	firstDay: 0,
 	isRTL: false,
 	showMonthAfterYear: true,