diff --git a/js/shs.js b/js/shs.js
index d596611..0aff95a 100644
--- a/js/shs.js
+++ b/js/shs.js
@@ -335,6 +335,8 @@
     $element = $('<select>')
       .attr('id', base_id + '-select-' + level)
       .addClass('shs-select')
+      //core class for drupal 7 select lists
+      .addClass('form-select')
       .addClass('shs-select-level-' + level)
       .bind('change', function() {
         updateElements($(this), base_id, settings, level);