diff --git a/src/opnsense/mvc/app/controllers/OPNsense/Unbound/forms/dnsbl.xml b/src/opnsense/mvc/app/controllers/OPNsense/Unbound/forms/dnsbl.xml
index 6fd6fc607..8b110d908 100644
--- a/src/opnsense/mvc/app/controllers/OPNsense/Unbound/forms/dnsbl.xml
+++ b/src/opnsense/mvc/app/controllers/OPNsense/Unbound/forms/dnsbl.xml
@@ -17,6 +17,7 @@
select_multiple
true
+ true
List of domains from where blacklist will be downloaded.