diff --git a/includes/ajaxHandler/cookie.class.php b/includes/ajaxHandler/cookie.class.php
index da2f2b47..709f5cbf 100644
--- a/includes/ajaxHandler/cookie.class.php
+++ b/includes/ajaxHandler/cookie.class.php
@@ -12,7 +12,7 @@ class AjaxCookie extends AjaxHandler
             return;
 
         $this->_get = array(
-            $this->params[0] => [FILTER_SANITIZE_STRING, 0xC], // FILTER_FLAG_STRIP_LOW | *_HIGH
+            $params[0] => [FILTER_SANITIZE_STRING, 0xC],    // FILTER_FLAG_STRIP_LOW | *_HIGH
         );
 
         // NOW we know, what to expect and sanitize