diff --git a/plugins/libkolab/lib/kolab_storage_folder.php b/plugins/libkolab/lib/kolab_storage_folder.php
index d0695cb2..cba8c5ca 100644
--- a/plugins/libkolab/lib/kolab_storage_folder.php
+++ b/plugins/libkolab/lib/kolab_storage_folder.php
@@ -594,7 +594,7 @@ class kolab_storage_folder extends kolab_storage_folder_api
      */
     public function save(&$object, $type = null, $uid = null)
     {
-        if (!$this->valid) {
+        if (!$this->valid && empty($object)) {
             return false;
         }
 
diff --git a/plugins/libkolab/tests/kolab_storage_folder.php b/plugins/libkolab/tests/kolab_storage_folder.php
index 62d05658..273ece26 100644
--- a/plugins/libkolab/tests/kolab_storage_folder.php
+++ b/plugins/libkolab/tests/kolab_storage_folder.php
@@ -177,6 +177,11 @@ class kolab_storage_folder_test extends PHPUnit_Framework_TestCase
             $this->markTestSkipped('No Kolab support');
         }
 
+        $folder = new kolab_storage_folder('Contacts', 'contact');
+
+        $saved = $folder->save(null, 'contact');
+        $this->assertFalse($saved);
+
         $contact = array(
             'name' => 'FN',
             'surname' => 'Last',
@@ -187,7 +192,6 @@ class kolab_storage_folder_test extends PHPUnit_Framework_TestCase
             'organization' => 'Company A.G.'
         );
 
-        $folder = new kolab_storage_folder('Contacts', 'contact');
         $saved = $folder->save($contact, 'contact');
         $this->assertTrue((bool)$saved);
     }