diff --git a/core/modules/aggregator/lib/Drupal/aggregator/Plugin/aggregator/parser/DefaultParser.php b/core/modules/aggregator/lib/Drupal/aggregator/Plugin/aggregator/parser/DefaultParser.php
index 5c92487c38424f4e48d23a7e170a580fe555d421..5d423752ab7da47221b1b853fa01c764a3e6a6d6 100644
--- a/core/modules/aggregator/lib/Drupal/aggregator/Plugin/aggregator/parser/DefaultParser.php
+++ b/core/modules/aggregator/lib/Drupal/aggregator/Plugin/aggregator/parser/DefaultParser.php
@@ -56,7 +56,10 @@ public function parse(Feed $feed) {
       $parsed_item['title'] = $item->getTitle();
       $parsed_item['guid'] = $item->getId();
       $parsed_item['link'] = $item->getLink();
-      $parsed_item['description'] = $item->getDescription();
+      $parsed_item['description'] = '';
+      if ($description = $item->getDescription()) {
+        $parsed_item['description'] = $description;
+      }
       $parsed_item['author'] = '';
       if ($author = $item->getAuthor()) {
         $parsed_item['author'] = $author['name'];