diff --git a/calendar/inc/class.calendar_groupdav.inc.php b/calendar/inc/class.calendar_groupdav.inc.php
index 4de1817d5e..101d13fda4 100644
--- a/calendar/inc/class.calendar_groupdav.inc.php
+++ b/calendar/inc/class.calendar_groupdav.inc.php
@@ -170,7 +170,7 @@ class calendar_groupdav extends groupdav_handler
 		if ($events)
 		{
 			// get all max user modified times at once
-			foreach($events as $k => &$event)
+			foreach($events as $k => $event)
 			{
 				if ($this->client_shared_uid_exceptions &&
 						$event['reference'] &&
@@ -185,7 +185,7 @@ class calendar_groupdav extends groupdav_handler
 			}
 			$max_user_modified = $this->bo->so->max_user_modified($ids);
 
-			foreach($events as &$event)
+			foreach($events as $event)
 			{
 				$event['max_user_modified'] = $max_user_modified[$event['id']];
 				//header('X-EGROUPWARE-EVENT-'.$event['id'].': '.$event['title'].': '.date('Y-m-d H:i:s',$event['start']).' - '.date('Y-m-d H:i:s',$event['end']));
diff --git a/infolog/inc/class.infolog_groupdav.inc.php b/infolog/inc/class.infolog_groupdav.inc.php
index 39d76b10ea..fe21dc748a 100644
--- a/infolog/inc/class.infolog_groupdav.inc.php
+++ b/infolog/inc/class.infolog_groupdav.inc.php
@@ -102,9 +102,8 @@ class infolog_groupdav extends groupdav_handler
 
 		// todo add a filter to limit how far back entries from the past get synced
 		$filter = array(
-			'info_type'		=> 'task',
-			'filter'		=> $task_filter,
-			'calendar_data'	=> false,
+			'info_type'	=> 'task',
+			'filter'	=> $task_filter,
 		);
 
 		// process REPORT filters or multiget href's
@@ -165,7 +164,7 @@ class infolog_groupdav extends groupdav_handler
 			'col_filter'	=> $filter,
 		);
 
-		if ($calendar_data)
+		if (!$calendar_data)
 		{
 			$query['cols'] = array('info_id', 'info_datemodified');
 		}
@@ -185,7 +184,7 @@ class infolog_groupdav extends groupdav_handler
 		$tasks =& $this->bo->search($query);
 		if ($tasks && $offset == $query['start'])
 		{
-			foreach($tasks as &$task)
+			foreach($tasks as $task)
 			{
 				$props = array(
 					HTTP_WebDAV_Server::mkprop('getetag',$this->get_etag($task)),