diff --git a/js/misc/_vertical-tabs.js b/js/misc/_vertical-tabs.js
index 041ce5e..a125fe1 100644
--- a/js/misc/_vertical-tabs.js
+++ b/js/misc/_vertical-tabs.js
@@ -118,6 +118,7 @@ Drupal.verticalTab.prototype = {
         })
         .end()
         .addClass('active')
+        .attr('style', '')
         .siblings(':hidden.vertical-tabs-active-tab')
         .val(this.fieldset.attr('id'));
     this.fieldset.find('> div').addClass('in');