diff --git a/app/views/admin/ad_images/_form.html.erb b/app/views/admin/ad_images/_form.html.erb
index 3ecda29b7..b4f65fd9d 100644
--- a/app/views/admin/ad_images/_form.html.erb
+++ b/app/views/admin/ad_images/_form.html.erb
@@ -36,8 +36,8 @@
                       today = today.format('isoDate');
                       var state = false;
                       var arr = state ? "▼" : "▲"
-											var start_date = <%= @ad_image.post_date.nil?? 'today' : "'#{@ad_image.post_date.strftime('%Y / %m / %d')}'" %>;
-											var end_date = <%= @ad_image.unpost_date.nil?? 'today' : "'#{@ad_image.unpost_date.strftime('%Y / %m / %d')}'" %>;
+											var start_date = <%= (@ad_image.post_date.nil?? 'today' : "'#{@ad_image.post_date.strftime('%Y / %m / %d')}'").html_safe %>;
+											var end_date = <%= (@ad_image.unpost_date.nil?? 'today' : "'#{@ad_image.unpost_date.strftime('%Y / %m / %d')}'").html_safe %>;
                       //calendarRange
                       $('#calendarRange .showDate').html(start_date+" - "+end_date);
                       $('#calendarRange .calendarInput').val(start_date+" - "+end_date);