diff --git a/tine20/Calendar/Frontend/WebDAV.php b/tine20/Calendar/Frontend/WebDAV.php
index 96a027480f7..e84d5feb611 100644
--- a/tine20/Calendar/Frontend/WebDAV.php
+++ b/tine20/Calendar/Frontend/WebDAV.php
@@ -22,6 +22,7 @@ class Calendar_Frontend_WebDAV extends Tinebase_WebDav_Collection_AbstractContai
     /**
      * (non-PHPdoc)
      * @see \Sabre\DAV\IExtendedCollection::createExtendedCollection()
+     * @throws \Sabre\DAV\Exception\Forbidden
      */
     public function createExtendedCollection($name, array $resourceType, array $properties)
     {
@@ -34,7 +35,7 @@ public function createExtendedCollection($name, array $resourceType, array $prop
                 if (Tinebase_Core::getUser()->hasRight('Tasks', Tinebase_Acl_Rights::RUN)) {
                     $tasks = new Tasks_Frontend_WebDAV('tasks/' . $this->getName(), $this->_useIdAsName);
                 } else {
-                    throw new \Sabre\DAV\Forbidden('Tasks not allowed for user');
+                    throw new  \Sabre\DAV\Exception\Forbidden('Tasks not allowed for user');
                 }
                 
                 return $tasks->createExtendedCollection($name, $resourceType, $properties);
diff --git a/tine20/Tinebase/WebDav/Collection/AbstractContainerTree.php b/tine20/Tinebase/WebDav/Collection/AbstractContainerTree.php
index 52e2d6d64a8..08764594a48 100644
--- a/tine20/Tinebase/WebDav/Collection/AbstractContainerTree.php
+++ b/tine20/Tinebase/WebDav/Collection/AbstractContainerTree.php
@@ -1087,7 +1087,7 @@ protected function _parsePath($_path)
     /**
      * @param $_id
      * @return Tinebase_Model_FullUser
-     * @throws \Sabre\DAV\Forbidden
+     * @throws \Sabre\DAV\Exception\Forbidden
      */
     protected function _getUser($_id)
     {
@@ -1101,7 +1101,7 @@ protected function _getUser($_id)
             try {
                 $contact = Addressbook_Controller_Contact::getInstance()->get($_id);
             } catch (Tinebase_Exception_AccessDenied $tead) {
-                throw new \Sabre\DAV\Forbidden('No permission to get user / contact');
+                throw new \Sabre\DAV\Exception\Forbidden('No permission to get user / contact');
             }
             $user = Tinebase_User::getInstance()->getUserByPropertyFromSqlBackend('accountId', $contact->account_id, 'Tinebase_Model_FullUser');
         } else {