diff --git a/template/yoga/search.tpl b/template/yoga/search.tpl
index 093b13d8e..1c18b6a72 100644
--- a/template/yoga/search.tpl
+++ b/template/yoga/search.tpl
@@ -100,7 +100,7 @@
 <fieldset>
   <legend>{lang:search_options}</legend>
   <label>{lang:search_categories}
-    <select class="categoryList" name="cat[]" multiple="multiple" onfocus="this.className='focus';" onblur="this.className='nofocus';">
+    <select class="categoryList" name="cat[]" multiple="multiple" onfocus="this.className='categoryList focus';" onblur="this.className='categoryList nofocus';">
       <!-- BEGIN category_option -->
       <option value="{category_option.VALUE}">{category_option.OPTION}</option>
       <!-- END category_option -->