diff --git a/src/Eccube/Resource/template/admin/Order/edit.twig b/src/Eccube/Resource/template/admin/Order/edit.twig
index 0983e1e1498..77f77c8b669 100644
--- a/src/Eccube/Resource/template/admin/Order/edit.twig
+++ b/src/Eccube/Resource/template/admin/Order/edit.twig
@@ -180,7 +180,7 @@ file that was distributed with this source code.
                 var deliveryId = $(this).val();
                 var $shippingDeliveryTime = $('#order_Shipping_DeliveryTime');
                 $shippingDeliveryTime.find('option').remove();
-                $shippingDeliveryTime.append($('<option></option>').val('').text('指定なし'));
+                $shippingDeliveryTime.append($('<option></option>').val('').text('{{ 'admin.common.select__unspecified'|trans }}'));
                 if (typeof(times[deliveryId]) !== 'undefined') {
                     for (var timeId in times[deliveryId]) {
                         timeValue = times[deliveryId][timeId];
diff --git a/src/Eccube/Resource/template/admin/Order/shipping.twig b/src/Eccube/Resource/template/admin/Order/shipping.twig
index 3d1201f3193..1d29730b196 100644
--- a/src/Eccube/Resource/template/admin/Order/shipping.twig
+++ b/src/Eccube/Resource/template/admin/Order/shipping.twig
@@ -107,7 +107,7 @@ file that was distributed with this source code.
             var deliveryId = $(this).val();
             var $shippingDeliveryTime = $(this).parents('.card-body').find("select[id$='_DeliveryTime']");
             $shippingDeliveryTime.find('option').remove();
-            $shippingDeliveryTime.append($('<option></option>').val('').text(trans('admin.common.select__unspecified')));
+            $shippingDeliveryTime.append($('<option></option>').val('').text('{{ 'admin.common.select__unspecified'|trans }}'));
             if (typeof(times[deliveryId]) !== 'undefined') {
                 for (var timeId in times[deliveryId]) {
                     timeValue = times[deliveryId][timeId];