diff --git a/admin/panels/uploader/admin.uploader.php b/admin/panels/uploader/admin.uploader.php
index e307479..ca3e813 100755
--- a/admin/panels/uploader/admin.uploader.php
+++ b/admin/panels/uploader/admin.uploader.php
@@ -99,7 +99,8 @@ class admin_uploader_default extends AdminPanelAction {
 			'svg',
 			'xml',
 			'md',
-			'pages'
+			'pages',
+			'xsig'
 		);
 
 		$imgs = array(