diff --git a/README.md b/README.md
index ee1aee4..33f31a5 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ sudo sh -c "$(wget -O - https://github.com/brentybh/debian-netboot/raw/master/ne
 ### All Options
 
  - `-c US` Debian Installer Country
- - `-fqdn localhost` FQDN including hostname and domain
+ - `-fqdn localhost.localdomain` FQDN including hostname and domain
  - `-proto https` Transport protocol for archive mirror only but not security repository (`http`, `https`, `ftp`)
  - `-host dpvctowv9b08b.cloudfront.net` Host for archive mirror only but not security repository
  - `-dir /debian` Directory path relative to root of the mirror
diff --git a/netboot.sh b/netboot.sh
index 996d666..525270b 100644
--- a/netboot.sh
+++ b/netboot.sh
@@ -105,7 +105,7 @@ case "$COUNTRY" in
 esac
 
 COUNTRY=${COUNTRY:-US}
-FQDN=${FQDN:-localhost}
+FQDN=${FQDN:-localhost.localdomain}
 PROTO=${PROTO:-https}
 HOST=${HOST:-dpvctowv9b08b.cloudfront.net}
 DIR=${DIR:-/debian}