diff --git a/src/Plugin/migrate/source/DisqusComment.php b/src/Plugin/migrate/source/DisqusComment.php
index 4108a6d..12127eb 100644
--- a/src/Plugin/migrate/source/DisqusComment.php
+++ b/src/Plugin/migrate/source/DisqusComment.php
@@ -142,16 +142,16 @@ class DisqusComment extends SourcePluginBase implements ContainerFactoryPluginIn
    */
   public function initializeIterator() {
     if ($disqus = disqus_api()) {
+      $items = array();
       try {
         $posts = $disqus->forums->listPosts(array('forum' => $this->config->get('disqus_domain')));
       }
       catch (\Exception $exception) {
-        drupal_set_message(t('There was an error loading the forum details. Please check you API keys and try again.', 'error'));
+        drupal_set_message(t('There was an error loading the forum details. Please check you API keys and try again.'), 'error');
         $this->logger->error('Error loading the Disqus PHP API. Check your forum name.', array());
-        return FALSE;
+        return new \ArrayIterator($items);
       }
 
-      $items = array();
       foreach ($posts as $post) {
         $id = $post['id'];
         $items[$id]['id'] = $id;