diff --git a/library/CM/SmartyPlugins/function.advertisement.php b/library/CM/SmartyPlugins/function.advertisement.php
index <HASH>..<HASH> 100644
--- a/library/CM/SmartyPlugins/function.advertisement.php
+++ b/library/CM/SmartyPlugins/function.advertisement.php
@@ -8,5 +8,5 @@ function smarty_function_advertisement(array $params, Smarty_Internal_Template $
 	if (!isset($params['zone'])) {
 		trigger_error('Param `zone` missing.');
 	}
-	return '<div class="ad">' . CM_Adprovider::getInstance()->getHtml($params['zone']) . '</div>';
+	return '<div class="advertisement">' . CM_Adprovider::getInstance()->getHtml($params['zone']) . '</div>';
 }
rename class name  ad to advertismement