diff --git a/master/hosts.conf b/master/hosts.conf
index 0fda99a..8037d8f 100644
--- a/master/hosts.conf
+++ b/master/hosts.conf
@@ -9,6 +9,7 @@ object Host "beholder" {
 
   vars.external_address = "49.13.65.97"
   vars.external_address6 = "2a01:4f8:c17:7495::1"
+  vars.external_fqdn = "beholder.cacert.org"
 
   vars.disks["/"] = {
     disk_partitions = "/"
@@ -19,16 +20,16 @@ object Host "beholder" {
 
   vars.http_vhosts["http redirect v4"] = {
     http_uri = "/"
-    http_address = vars.external_address
-    http_vhost = "beholder.cacert.org"
-    http_headerstring = "Location: https://beholder.cacert.org/"
+    http_address = this.vars.external_address
+    http_vhost = this.vars.external_fqdn
+    http_headerstring = "Location: https://" + this.vars.external_fqdn + "/"
     http_ipv4 = true
   }
   vars.http_vhosts["http redirect v6"] = {
     http_uri = "/"
-    http_address = vars.external_address6
-    http_vhost = "beholder.cacert.org"
-    http_headerstring = "Location: https://beholder.cacert.org/"
+    http_address = this.vars.external_address6
+    http_vhost = this.vars.external_fqdn
+    http_headerstring = "Location: https://" + this.vars.external_fqdn + "/"
     http_ipv6 = true
   }
 }