diff --git a/typo3/sysext/lowlevel/Classes/ConfigurationModuleProvider/GlobalVariableProvider.php b/typo3/sysext/lowlevel/Classes/ConfigurationModuleProvider/GlobalVariableProvider.php
index 633d4756a841ea48a1d323be395e2f44326c6dfe..2e83330574e733b7f1d4fe28327c8113489625b0 100644
--- a/typo3/sysext/lowlevel/Classes/ConfigurationModuleProvider/GlobalVariableProvider.php
+++ b/typo3/sysext/lowlevel/Classes/ConfigurationModuleProvider/GlobalVariableProvider.php
@@ -56,6 +56,7 @@ class GlobalVariableProvider extends AbstractProvider
                 'ssl_key' => '******',
             ],
             'MAIL' => [
+                'dsn' => '******',
                 'transport_smtp_encrypt' => '******',
                 'transport_smtp_password' => '******',
                 'transport_smtp_server' => '******',