diff --git a/lib/behat/classes/util.php b/lib/behat/classes/util.php
index e9b64ee08de..561c7e13ece 100644
--- a/lib/behat/classes/util.php
+++ b/lib/behat/classes/util.php
@@ -111,6 +111,9 @@ class behat_util extends testing_util {
         // Disable some settings that are not wanted on test sites.
         set_config('noemailever', 1);
 
+        // Set noreplyaddress to an example domain, as it should be valid email address and test site can be a localhost.
+        set_config('noreplyaddress', 'noreply@example.com');
+
         // Keeps the current version of database and dataroot.
         self::store_versions_hash();