--- /Users/flopez/Sites/edumotioncms/sites/all/modules/contrib/entity/modules/callbacks.inc	2014-01-20 17:00:11.000000000 +0100
+++ /Users/flopez/Sites/drupal-7.x-cached/sites/all/modules/contrib/entity/modules/callbacks.inc	2014-01-08 17:22:54.000000000 +0100
@@ -656,7 +656,7 @@
  */
 function entity_metadata_no_hook_node_access($op, $node = NULL, $account = NULL) {
   // First deal with the case where a $node is provided.
-  if (isset($node)) {
+  if (isset($node->nid)) {
     if ($op == 'create') {
       if (isset($node->type)) {
         return node_access($op, $node->type, $account);