diff --git a/config/mail.php b/config/mail.php
index 10afa09e7f..d521625b6b 100644
--- a/config/mail.php
+++ b/config/mail.php
@@ -39,7 +39,7 @@ return [
         'smtp' => [
             'transport'  => 'smtp',
             'host'       => env('MAIL_HOST', 'smtp.mailtrap.io'),
-            'port'       => env('MAIL_PORT', 2525),
+            'port'       => (int) env('MAIL_PORT', 2525),
             'encryption' => env('MAIL_ENCRYPTION', 'tls'),
             'username'   => env('MAIL_USERNAME'),
             'password'   => env('MAIL_PASSWORD'),