diff --git a/installer.sh b/installer.sh
index cb2119e..c17f253 100644
--- a/installer.sh
+++ b/installer.sh
@@ -82,6 +82,7 @@ msg "                Pre-Configuring"
 sleep 2
 hostnamectl set-hostname $domain > $OUTPUT 2>&1
 timedatectl set-timezone Europe/Amsterdam > $OUTPUT 2>&1
+hostname --fqdn > /etc/mailname
 #mkdir -p /var/run/clamav
 #adduser --system --no-create-home --disabled-password --disabled-login --shell /bin/false --group --home /var/lib/clamav clamav
 #chown clamav:clamav /var/run/clamav