diff --git a/node_export.module b/node_export.module
index 8bdadb9..8b8fd69 100755
--- a/node_export.module
+++ b/node_export.module
@@ -784,6 +784,12 @@ function node_export_node_clone($original_node) {
   if (variable_get('node_export_reset_author_' . $node->type, TRUE)) {
     $node->name = !empty($user->name) ? $user->name : (!empty($user->uid) ? NULL : variable_get('anonymous', t('Anonymous')));
     $node->uid = $user->uid;
+    $node->revision_uid = $user->uid;
+  }
+
+  // note: a uid of 0 is erroneous in any case, reset it to 1 (admin user)
+  if ($node->revision_uid == 0) {
+    $node->revision_uid = 1;
   }
 
   if (variable_get('node_export_reset_created_' . $node->type, TRUE)) {
@@ -838,6 +844,17 @@ function node_export_node_clone($original_node) {
     $node->sticky = FALSE;
   }
 
+  // check for a data casting error
+  if ($node->data == 'b:0;') { // data has been serialized as a FALSE instead of NULL
+    $node->data = NULL;
+  }
+
+  // sort the node keys, so that there is a consistent representation for
+  // (drupal_)var_export
+  $array_node = (array) $node;
+  ksort( $array_node);
+  $node = (object) $array_node;
+
   return $node;
 
 }