diff --git a/Makefile b/Makefile
index 2ae1c2f45..9d389c795 100644
--- a/Makefile
+++ b/Makefile
@@ -378,6 +378,9 @@ lint-model:
 		(xmllint $${MODEL} --xpath '//*[@type and not(@type="ArrayField") and BlankDesc and Multiple="Y"]' 2> /dev/null | grep '^<' || true) | while read LINE; do \
 			echo "$${MODEL}: $${LINE} blank description not applicable on multiple field"; \
 		done; \
+		(xmllint $${MODEL} --xpath '//*[@type and not(@type="ArrayField") and Multiple="N"]' 2> /dev/null | grep '^<' || true) | while read LINE; do \
+			echo "$${MODEL}: $${LINE} Multiple=N is the default"; \
+		done; \
 		(xmllint $${MODEL} --xpath '//*[@type and not(@type="ArrayField") and OptionValues[default[not(@value)] or multiple[not(@value)] or required[not(@value)]]]' 2> /dev/null | grep '^<' || true) | while read LINE; do \
 			echo "$${MODEL}: $${LINE} option element default/multiple/required without value attribute"; \
 		done; \
diff --git a/src/opnsense/mvc/app/models/OPNsense/Monit/Monit.xml b/src/opnsense/mvc/app/models/OPNsense/Monit/Monit.xml
index 32bb7d09e..b2c0e5604 100644
--- a/src/opnsense/mvc/app/models/OPNsense/Monit/Monit.xml
+++ b/src/opnsense/mvc/app/models/OPNsense/Monit/Monit.xml
@@ -241,7 +241,6 @@
          </address>
          <interface type="InterfaceField">
             <Required>N</Required>
-            <Multiple>N</Multiple>
             <AddParentDevices>Y</AddParentDevices>
             <filters>
                 <enable>/^(?!0).*$/</enable>