diff --git a/lib/behat/classes/util.php b/lib/behat/classes/util.php
index 5338be1c7f6..267406bb5bf 100644
--- a/lib/behat/classes/util.php
+++ b/lib/behat/classes/util.php
@@ -34,6 +34,7 @@ require_once(__DIR__ . '/../../filelib.php');
 require_once(__DIR__ . '/../../clilib.php');
 
 use Behat\Mink\Session;
+use Behat\Mink\Exception\ExpectationException;
 
 /**
  * Init/reset utilities for Behat database and dataroot