diff --git a/classes/Media.php b/classes/Media.php
index 86b51e5ff..7ce172f56 100755
--- a/classes/Media.php
+++ b/classes/Media.php
@@ -39,7 +39,7 @@ class MediaCore
 		'ui.accordion' => array('fileName' => 'jquery.ui.accordion.min.js', 'dependencies' => array('ui.core', 'ui.widget'), 'theme' => true),
 		'ui.autocomplete' => array('fileName' => 'jquery.ui.autocomplete.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.position'), 'theme' => true),
 		'ui.button' => array('fileName' => 'jquery.ui.button.min.js', 'dependencies' => array('ui.core', 'ui.widget'), 'theme' => true),
-		'ui.dialog' => array('fileName' => 'jquery.ui.dialog.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.position'), 'theme' => true),
+		'ui.dialog' => array('fileName' => 'jquery.ui.dialog.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.position','ui.button'), 'theme' => true),
 		'ui.slider' => array('fileName' => 'jquery.ui.slider.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.mouse'), 'theme' => true),
 		'ui.tabs' => array('fileName' => 'jquery.ui.tabs.min.js', 'dependencies' => array('ui.core', 'ui.widget'), 'theme' => true),
 		'ui.datepicker' => array('fileName' => 'jquery.ui.datepicker.min.js', 'dependencies' => array('ui.core'), 'theme' => true),