diff --git editors/ckeditor.inc editors/ckeditor.inc
index c52ebbf..aeef88d 100644
--- editors/ckeditor.inc
+++ editors/ckeditor.inc
@@ -104,6 +104,7 @@ function wysiwyg_ckeditor_themes($editor, $profile) {
     }
     closedir($dir_handle);
     natcasesort($themes);
+    $themes = array_values($themes);
     return !empty($themes) ? $themes : array('default');
   }
   else {