diff --git a/nag/lib/Driver/Kolab.php b/nag/lib/Driver/Kolab.php
index b1ca06ec12d..7c951b413a6 100644
--- a/nag/lib/Driver/Kolab.php
+++ b/nag/lib/Driver/Kolab.php
@@ -316,6 +316,7 @@ protected function _add(array $task)
         $object['uid'] = $this->_getData()->generateUid();
         try {
             $this->_getData()->create($object);
+            $task['uid'] = $object['uid'];
             $this->_addTags($task);
         } catch (Horde_Kolab_Storage_Exception $e) {
             throw new Nag_Exception($e);