diff --git a/www/advertising.php b/www/advertising.php
index 0e7848b..e987461 100644
--- a/www/advertising.php
+++ b/www/advertising.php
@@ -24,7 +24,7 @@
                 exit;
 	}
 
-	$id = intval($_REQUEST['id']);
+	$id = array_key_exists('id',$_REQUEST)?intval($_REQUEST['id']):0;
 	if($id == 2)
 		$id = 0;
 	$oldid = array_key_exists('oldid',$_POST)?intval($_POST['oldid']):0;