diff --git a/code/libraries/koowa/components/com_koowa/template/helper/behavior.php b/code/libraries/koowa/components/com_koowa/template/helper/behavior.php
index <HASH>..<HASH> 100644
--- a/code/libraries/koowa/components/com_koowa/template/helper/behavior.php
+++ b/code/libraries/koowa/components/com_koowa/template/helper/behavior.php
@@ -549,7 +549,8 @@ class ComKoowaTemplateHelperBehavior extends KTemplateHelperAbstract
             'debug' => JFactory::getApplication()->getCfg('debug'),
             'element' => '.select2-listbox',
             'options' => array(
-                'width' => 'resolve'
+                'width' => 'resolve',
+                'dropdownCssClass' => 'koowa'
             )
         ));
 
@@ -600,6 +601,7 @@ class ComKoowaTemplateHelperBehavior extends KTemplateHelperAbstract
         $config->append(array(
             'element'  => null,
             'options'  => array(
+                'dropdownCssClass' => 'koowa',
                 'validate'      => false, //Toggle if the forms validation helper is loaded
                 'queryVarName'  => 'search',
                 'width'         => 'resolve',
Put back the koowa class to the select2 dropdown