diff --git a/core/modules/views/views.theme.inc b/core/modules/views/views.theme.inc
index 61fdc71..9aa4320 100644
--- a/core/modules/views/views.theme.inc
+++ b/core/modules/views/views.theme.inc
@@ -922,7 +922,7 @@ function template_preprocess_views_view_row_rss(&$variables) {
   $renderer = \Drupal::service('renderer');
   // We render the item description it might contain entities, which attach
   // rss elements via hook_entity_view.
-  $variables['description'] = $renderer->render($item->description);
+  $variables['description'] = is_array($item->description) ? $renderer->render($item->description) : $item->description;
   $variables['item_elements'] = array();
   foreach ($item->elements as $element) {
     if (isset($element['attributes']) && is_array($element['attributes'])) {