diff --git a/infolog/inc/class.infolog_bo.inc.php b/infolog/inc/class.infolog_bo.inc.php
index 7e7796a187..c0526d3e91 100644
--- a/infolog/inc/class.infolog_bo.inc.php
+++ b/infolog/inc/class.infolog_bo.inc.php
@@ -297,17 +297,18 @@ class infolog_bo
 	{
 		static $cache = array();
 
+		$info_id = is_array($info) ? $info['info_id'] : $info;
+
 		if (!$user) $user = $this->user;
 		if ($user == $this->user)
 		{
 			$grants = $this->grants;
-			$access =& $cache[$info_id][$required_rights];	// we only cache the current user!
+			if ($info_id) $access =& $cache[$info_id][$required_rights];	// we only cache the current user!
 		}
 		else
 		{
 			$grants = $GLOBALS['egw']->acl->get_grants('infolog',$this->group_owners ? $this->group_owners : true,$user);
 		}
-
 		if (!$info)
 		{
 			$owner = $other ? $other : $user;
@@ -315,7 +316,6 @@ class infolog_bo
 			return $grant & $required_rights;
 		}
 
-		$info_id = is_array($info) ? $info['info_id'] : $info;
 
 		if (!isset($access))
 		{
diff --git a/infolog/inc/class.infolog_so.inc.php b/infolog/inc/class.infolog_so.inc.php
index 76b6a55c55..a8f6227b7f 100644
--- a/infolog/inc/class.infolog_so.inc.php
+++ b/infolog/inc/class.infolog_so.inc.php
@@ -88,7 +88,7 @@ class infolog_so
 		if (!$user) $user = $this->user;
 
 		static $um_cache = array();
-		$user_and_memberships =& $um_cache[$user];
+		if ($user == $this->user) $user_and_memberships =& $um_cache[$user];
 		if (!isset($user_and_memberships))
 		{
 			$user_and_memberships = $GLOBALS['egw']->accounts->memberships($user,true);
@@ -120,7 +120,7 @@ class infolog_so
 		{
 			// dont change our own internal data,
 			$backup_data = $this->data;
-			$info = $this->read((array)$info);
+			$info = $this->read(array('info_id'=>$info));
 			$this->data = $backup_data;
 		}
 		else
@@ -132,7 +132,6 @@ class infolog_so
 			return False;
 		}
 		$owner = $info['info_owner'];
-
 		$access_ok = $owner == $user ||	// user has all rights
 			// ACL only on public entrys || $owner granted _PRIVATE
 			(!!($grants[$owner] & $required_rights) ||