diff --git a/src/opnsense/mvc/app/models/OPNsense/TrafficShaper/TrafficShaper.xml b/src/opnsense/mvc/app/models/OPNsense/TrafficShaper/TrafficShaper.xml
index 0100b6d8f..382b7142a 100644
--- a/src/opnsense/mvc/app/models/OPNsense/TrafficShaper/TrafficShaper.xml
+++ b/src/opnsense/mvc/app/models/OPNsense/TrafficShaper/TrafficShaper.xml
@@ -244,6 +244,7 @@
                 <interface type="InterfaceField">
                     <Required>Y</Required>
                     <default>wan</default>
+                    <AllowDynamic>Y</AllowDynamic>
                     <filters>
                         <enable>/^(?!0).*$/</enable>
                     </filters>
@@ -251,6 +252,7 @@
                 <interface2 type="InterfaceField">
                     <Required>N</Required>
                     <default></default>
+                    <AllowDynamic>Y</AllowDynamic>
                     <filters>
                         <enable>/^(?!0).*$/</enable>
                     </filters>