diff --git a/templates/preseed.cfg.j2 b/templates/preseed.cfg.j2
index 77044f7..9455b25 100644
--- a/templates/preseed.cfg.j2
+++ b/templates/preseed.cfg.j2
@@ -68,7 +68,7 @@ d-i netcfg/choose_interface select auto
 # values set here. However, setting the values still prevents the questions
 # from being shown, even if values come from dhcp.
 d-i netcfg/get_hostname string {{ inventory_hostname }}
-d-i netcfg/get_domain string unassigned-domain
+d-i netcfg/get_domain string {{ dns_domain | default('unassigned-domain') }}
 
 # If you want to force a hostname, regardless of what either the DHCP
 # server returns or what the reverse DNS entry for the IP is, uncomment