diff --git a/core/modules/filter/lib/Drupal/filter/Tests/FilterHtmlImageSecureTest.php b/core/modules/filter/lib/Drupal/filter/Tests/FilterHtmlImageSecureTest.php
index 6c2d7d2..c3c393d 100644
--- a/core/modules/filter/lib/Drupal/filter/Tests/FilterHtmlImageSecureTest.php
+++ b/core/modules/filter/lib/Drupal/filter/Tests/FilterHtmlImageSecureTest.php
@@ -98,7 +98,7 @@ function testImageSource() {
     $images = array(
       $http_base_url . '/' . $druplicon => base_path() . $druplicon,
       // Test a url that includes the port.
-      str_replace(base_path(), ':80' . base_path(), $http_base_url) . '/' . $druplicon => base_path() . $druplicon,
+      str_replace(base_path(), ':' . $this->container->get('request')->getHttpPort() . base_path(), $http_base_url) . '/' . $druplicon => base_path() . $druplicon,
       $https_base_url . '/' . $druplicon => base_path() . $druplicon,
       base_path() . $druplicon => base_path() . $druplicon,
       $files_path . '/' . $test_image => $files_path . '/' . $test_image,