diff --git a/setup/setup_demo.php b/setup/setup_demo.php
index bad80d380e..323dde4b10 100644
--- a/setup/setup_demo.php
+++ b/setup/setup_demo.php
@@ -144,7 +144,7 @@
 		$phpgw_setup->db->query('DELETE FROM phpgw_preferences');
 		$phpgw_setup->db->query('DELETE FROM phpgw_acl');
 
-		$defaultprefs = 'a:5:{s:6:"common";a:10:{s:9:"maxmatchs";s:2:"15";s:12:"template_set";s:8:"verdilak";s:5:"theme";s:6:"purple";s:13:"navbar_format";s:5:"icons";s:9:"tz_offset";N;s:10:"dateformat";s:5:"m/d/Y";s:10:"timeformat";s:2:"12";s:4:"lang";s:2:"en";s:11:"default_app";N;s:8:"currency";s:1:"$";}s:11:"addressbook";a:1:{s:0:"";s:4:"True";}:s:8:"calendar";a:4:{s:13:"workdaystarts";s:1:"7";s:11:"workdayends";s:2:"15";s:13:"weekdaystarts";s:6:"Monday";s:15:"defaultcalendar";s:9:"month.php";}}';
+		$defaultprefs = 'a:3:{s:6:"common";a:10:{s:9:"maxmatchs";s:2:"15";s:12:"template_set";s:8:"verdilak";s:5:"theme";s:6:"purple";s:13:"navbar_format";s:5:"icons";s:9:"tz_offset";s:0:"";s:10:"dateformat";s:5:"m/d/Y";s:10:"timeformat";s:2:"12";s:4:"lang";s:2:"en";s:11:"default_app";s:0:"";s:8:"currency";s:1:"$";}s:11:"addressbook";a:1:{s:0:"";s:4:"True";}s:8:"calendar";a:4:{s:13:"workdaystarts";s:1:"7";s:11:"workdayends";s:2:"15";s:13:"weekdaystarts";s:6:"Monday";s:15:"defaultcalendar";s:9:"month.php";}}';
 
 		/* Create the demo groups */
 		$defaultgroupid = add_account('Default','Default','Group',$passwd,'g');