--- a/sites/all/modules/dragndrop_uploads/dragndrop_uploads.module
+++ b/sites/all/modules/dragndrop_uploads/dragndrop_uploads.module
@@ -151,7 +151,7 @@ function _dragndrop_uploads_js_data($wid
 
   return array('dropzones' => array_merge(array(
     'default' => array_merge(
-      $selected_data[0], array('id' => 'default', 'selector' => 'textarea', 'target' => TRUE)
+      (array) $selected_data[0], array('id' => 'default', 'selector' => 'textarea', 'target' => TRUE)
     )), $data
   ));
 }