diff --git a/application/ui.linksdirectwidget.class.inc.php b/application/ui.linksdirectwidget.class.inc.php
index 2135a484f..49e741ac4 100644
--- a/application/ui.linksdirectwidget.class.inc.php
+++ b/application/ui.linksdirectwidget.class.inc.php
@@ -19,6 +19,7 @@ class UILinksWidgetDirect
 	protected $sAttCode;
 	protected $sInputid;
 	protected $sNameSuffix;
+	protected $aZlist;
 	protected $sLinkedClass;
 
 	/**