diff --git a/src/opnsense/mvc/app/models/OPNsense/Dnsmasq/Dnsmasq.xml b/src/opnsense/mvc/app/models/OPNsense/Dnsmasq/Dnsmasq.xml
index 759abec62..beb909583 100644
--- a/src/opnsense/mvc/app/models/OPNsense/Dnsmasq/Dnsmasq.xml
+++ b/src/opnsense/mvc/app/models/OPNsense/Dnsmasq/Dnsmasq.xml
@@ -143,6 +143,7 @@
Any
/^(?!lo0$).*/
+ /(?s)^((?!group).)*$/
Y
@@ -215,6 +216,7 @@
Any
/^(?!lo0$).*/
+ /(?s)^((?!group).)*$/
Y