diff --git a/plugin/htmlpurifier/extend.video.php b/plugin/htmlpurifier/extend.video.php
index 81b4aea0e..5c8ec59d2 100644
--- a/plugin/htmlpurifier/extend.video.php
+++ b/plugin/htmlpurifier/extend.video.php
@@ -8,7 +8,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
  */
 
 if( !class_exists('HTMLPurifier_Filter_Iframevideo') ){
-	class HTMLPurifier_Filter_iframevideo extends HTMLPurifier_Filter
+	class HTMLPurifier_Filter_Iframevideo extends HTMLPurifier_Filter
 	{
 		public $name = 'Iframevideo';