diff --git a/bbs/alert.php b/bbs/alert.php
index b1117d347..1d74ad4b4 100644
--- a/bbs/alert.php
+++ b/bbs/alert.php
@@ -68,7 +68,7 @@ history.back();
     <?php
     foreach($_POST as $key => $value) {
         
-        $key = clean_xss_tags($url);
+        $key = clean_xss_tags($key);
         $value = clean_xss_tags($value);
 
         if(strlen($value) < 1)