diff --git a/lib/behat/classes/util.php b/lib/behat/classes/util.php
index 5fe4aa3ff38..f6590ac81fd 100644
--- a/lib/behat/classes/util.php
+++ b/lib/behat/classes/util.php
@@ -71,6 +71,7 @@ class behat_util extends testing_util {
         $options['adminuser'] = 'admin';
         $options['adminpass'] = 'admin';
         $options['fullname'] = 'Acceptance test site';
+        $options['shortame'] = 'Acceptance test site';
 
         install_cli_database($options, false);