diff --git a/modules/apt/files/50unattended-upgrades b/modules/apt/files/50unattended-upgrades
index 486f4fbe23..0a09ce0396 100644
--- a/modules/apt/files/50unattended-upgrades
+++ b/modules/apt/files/50unattended-upgrades
@@ -19,7 +19,7 @@ Unattended-Upgrade::Package-Blacklist {
 // If empty or unset then no email is sent, make sure that you 
 // have a working mail setup on your system. The package 'mailx'
 // must be installed or anything that provides /usr/bin/mail.
-Unattended-Upgrade::Mail "root@localhost";
+Unattended-Upgrade::Mail "root";
 
 // Do automatic removal of new unused dependencies after the upgrade
 // (equivalent to apt-get autoremove)