diff --git a/config/mail.php b/config/mail.php
index 2e88c824d..262611d9b 100644
--- a/config/mail.php
+++ b/config/mail.php
@@ -99,7 +99,7 @@ return [
     | if not present by authenticating the sender domain instead the host.
     |
     */
-    'local_domain' => ENV('MAIL_SMTP_EHLO'),
+    'local_domain' => env('MAIL_SMTP_EHLO'),
 
     /*
     |--------------------------------------------------------------------------