diff --git a/core/lib/Drupal/Component/Utility/Html.php b/core/lib/Drupal/Component/Utility/Html.php
index 8c7d3888cd..58774e51e9 100644
--- a/core/lib/Drupal/Component/Utility/Html.php
+++ b/core/lib/Drupal/Component/Utility/Html.php
@@ -456,6 +456,11 @@ public static function transformRootRelativeUrlsToAbsolute($html, $scheme_and_ho
     assert(isset(parse_url($scheme_and_host)["scheme"]), '$scheme_and_host is absolute and hence has a scheme.');
     assert(isset(parse_url($scheme_and_host)["host"]), '$base_url is absolute and hence has a host.');
 
+    // \DOMDocument::loadHtml replaces \r with 
 and there is no flag to
+    // prevent it, so use a placeholder and then reverse it after loading.
+    $placeholder = uniqid();
+    $html = str_replace("\r", $placeholder, $html);
+
     $html_dom = Html::load($html);
     $xpath = new \DOMXpath($html_dom);
 
@@ -478,7 +483,9 @@ public static function transformRootRelativeUrlsToAbsolute($html, $scheme_and_ho
         $node->setAttribute('srcset', implode(', ', $image_candidate_strings));
       }
     }
-    return Html::serialize($html_dom);
+    $html = Html::serialize($html_dom);
+
+    return str_replace($placeholder, "\r", $html);
   }
 
 }
diff --git a/core/tests/Drupal/Tests/Component/Utility/HtmlTest.php b/core/tests/Drupal/Tests/Component/Utility/HtmlTest.php
index 3f2ab9de2f..c35328e8cc 100644
--- a/core/tests/Drupal/Tests/Component/Utility/HtmlTest.php
+++ b/core/tests/Drupal/Tests/Component/Utility/HtmlTest.php
@@ -387,6 +387,9 @@ public function providerTestTransformRootRelativeUrlsToAbsolute() {
       }
     }
 
+    $data['html without links'] = ["Test without links but with\r\nsome special characters", 'http://example.com', FALSE];
+    $data['html with html entity'] = ["Test without links but with
\nsome special characters", 'http://example.com', FALSE];
+
     return $data;
   }