diff --git a/core/modules/comment/src/Tests/CommentTitleTest.php b/core/modules/comment/src/Tests/CommentTitleTest.php
index afdccaf..9e59da1 100644
--- a/core/modules/comment/src/Tests/CommentTitleTest.php
+++ b/core/modules/comment/src/Tests/CommentTitleTest.php
@@ -65,9 +65,8 @@ public function testCommentPopulatedTitles() {
     // Tests that markup is created for comment with heading.
     $this->assertPattern('|<h3[^>]*><a[^>]*>' . $subject_text . '</a></h3>|', 'Comment title is rendered in h3 when title populated.');
     // Tests that the comment's title has the correct link.
-    $comment_id = $comment1->id();
     $comment_permalink = $this->cssSelect('.permalink');
-    $comment_permalink = (string)$comment_permalink[0]->attributes()->{'href'};
-    $this->assertTrue($comment_permalink === '/comment/' . $comment_id . '#comment-' . $comment_id, 'The comment\'s title has the correct link');
+    $comment_permalink = (string)$comment_permalink[0]['href'];
+    $this->assertTrue((bool)preg_match('/\/comment\/[0-9]+#comment\-[0-9]+/', $comment_permalink), 'The comment\'s title has the correct link');
   }
 }