diff --git a/src/datasets.php b/src/datasets.php
index d2acace78dc1d0c418cb229ea6fef7c3e7839518..17ad9a2873a8bb617eb2a40d1eb8909e63f95509 100644
--- a/src/datasets.php
+++ b/src/datasets.php
@@ -1,7 +1,7 @@
 <?php
 require_once(__DIR__ . "/ks-datasets-database.php");
 
-$EMPTY_SPACE = '{"links":[],"nodes":[],"objectGroups":[]}';
+$EMPTY_SPACE = '{"nodes":[{"id":0,"name":"Node","type":1},{"id":1,"name":"Node","type":1}],"links":[{"source":1,"target":0}],"objectGroups":[{"id":1,"name":"Default","color":"#000000"}]}';
 
 add_action("wp_ajax_get_space", "ks_get_space"); // Fires only for logged-in-users
 add_action("wp_ajax_nopriv_get_space", 'ks_get_space' ); // Fires for everyone