diff --git a/js/app/date_poll.js b/js/app/date_poll.js
index 222da491c43c71270b16c71f03012e20f048d293..2088f7b8a549380dcb6ef3fd2c6078cdcbc01ab7 100644
--- a/js/app/date_poll.js
+++ b/js/app/date_poll.js
@@ -148,7 +148,7 @@ $(document).ready(function () {
             $(this).find('.hours:gt(2)').parent().remove();
         });
         $('#d0-h0').focus();
-        $selected_days.find('fieldset .hours').attr('value', '');
+        $selected_days.find('fieldset .hours').val('');
     });
 
     // Button "Remove all days"