diff --git a/blog/tests/external/external_test.php b/blog/tests/external/external_test.php
index f2f1d25e1a1..7c3e6ad7a2d 100644
--- a/blog/tests/external/external_test.php
+++ b/blog/tests/external/external_test.php
@@ -37,7 +37,7 @@ require_once($CFG->dirroot . '/blog/lib.php');
  * @copyright  2018 Juan Leyva
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
-final class external_test extends \externallib_advanced_testcase {
+final class external_test extends \advanced_testcase {
     private $courseid;
     private $cmid;
     private $userid;