diff --git a/phpgwapi/inc/class.sessions_php4.inc.php b/phpgwapi/inc/class.sessions_php4.inc.php
index a19a138836..91e42a7ce5 100644
--- a/phpgwapi/inc/class.sessions_php4.inc.php
+++ b/phpgwapi/inc/class.sessions_php4.inc.php
@@ -48,6 +48,8 @@
 			'update_dla'   => True
 		);
 
+		var $dom;
+
 		/*************************************************************************\
 		* Constructor just loads up some defaults from cookies                    *
 		\*************************************************************************/