diff --git a/src/opnsense/mvc/app/models/OPNsense/IDS/IDS.xml b/src/opnsense/mvc/app/models/OPNsense/IDS/IDS.xml
index 7ecfbb5cb..754f3efdf 100644
--- a/src/opnsense/mvc/app/models/OPNsense/IDS/IDS.xml
+++ b/src/opnsense/mvc/app/models/OPNsense/IDS/IDS.xml
@@ -24,7 +24,7 @@
             <interfaces type="InterfaceField">
                 <Required>Y</Required>
                 <default>lan</default>
-                <multiple>1</multiple>
+                <multiple>Y</multiple>
                 <filters>
                     <enable>/^(?!0).*$/</enable>
                 </filters>