diff --git a/tests/_config.php b/tests/_config.php
index 24ec1b5..8629dd0 100644
--- a/tests/_config.php
+++ b/tests/_config.php
@@ -4,7 +4,7 @@
  */
 return [
     'components' => [
-        'mail' => [
+        'mailer' => [
             'useFileTransport' => true,
         ],
         'urlManager' => [