diff --git a/src/opnsense/mvc/app/models/OPNsense/CaptivePortal/CaptivePortal.xml b/src/opnsense/mvc/app/models/OPNsense/CaptivePortal/CaptivePortal.xml
index 51a0e6b21..d7d9bdd3d 100644
--- a/src/opnsense/mvc/app/models/OPNsense/CaptivePortal/CaptivePortal.xml
+++ b/src/opnsense/mvc/app/models/OPNsense/CaptivePortal/CaptivePortal.xml
@@ -67,6 +67,17 @@
                     <mask>/^([0-9a-fA-F:,])*/u</mask>
                     <ValidationMessage>Please enter valid mac addresses</ValidationMessage>
                 </allowedMACAddresses>
+                <template type="ModelRelationField">
+                    <Model>
+                        <template>
+                            <source>OPNsense.Captiveportal.Captiveportal</source>
+                            <items>templates.template</items>
+                            <display>name</display>
+                        </template>
+                    </Model>
+                    <ValidationMessage>Related template not found</ValidationMessage>
+                    <Required>N</Required>
+                </template>
                 <description type="TextField">
                     <Required>Y</Required>
                     <mask>/^([\t\n\v\f\r 0-9a-zA-Z.,_\x{00A0}-\x{FFFF}]){1,255}$/u</mask>