--- a/include/avelsieve_condition_datetime.class.php	2013-10-18 00:10:50.000000000 +0200
+++ b/include/avelsieve_condition_datetime.class.php	2014-11-06 22:07:52.377590797 +0100
@@ -53,7 +53,7 @@
      * @return void
      */
     function __construct(&$s, $rule, $n, $test = 'currentdate') {
-        parent::__construct(&$s, $rule, $n);
+        parent::__construct($s, $rule, $n);
 
         if($test == 'currentdate') {
             $this->test = 'currentdate';