diff --git a/core/modules/rdf/lib/Drupal/rdf/Tests/CommentAttributesTest.php b/core/modules/rdf/lib/Drupal/rdf/Tests/CommentAttributesTest.php
index bb712b6..b58f45a 100644
--- a/core/modules/rdf/lib/Drupal/rdf/Tests/CommentAttributesTest.php
+++ b/core/modules/rdf/lib/Drupal/rdf/Tests/CommentAttributesTest.php
@@ -180,6 +180,6 @@ class CommentAttributesTest extends CommentTestBase {
     $name = empty($account["name"]) ? $this->web_user->name : $account["name"] . " (not verified)";
     $this->assertEqual((string)$comment_author[0], $name, t("RDFa markup for the comment author found."));
     $comment_body = $this->xpath('//div[contains(@class, "comment") and contains(@typeof, "sioct:Comment")]//div[@class="content"]//div[contains(@class, "comment-body")]//div[@property="content:encoded"]');
-    $this->assertEqual((string)$comment_body[0]->p, $comment->comment, t("RDFa markup for the comment body found."));
+    $this->assertEqual((string)$comment_body[0], $comment->comment, t("RDFa markup for the comment body found."));
   }
 }