diff --git a/src/opnsense/mvc/app/models/OPNsense/TrafficShaper/TrafficShaper.xml b/src/opnsense/mvc/app/models/OPNsense/TrafficShaper/TrafficShaper.xml
index 8c6c74a15..8f127c763 100644
--- a/src/opnsense/mvc/app/models/OPNsense/TrafficShaper/TrafficShaper.xml
+++ b/src/opnsense/mvc/app/models/OPNsense/TrafficShaper/TrafficShaper.xml
@@ -69,6 +69,15 @@
                 <codel_enable type="BooleanField">
                   <default>0</default>
                   <Required>Y</Required>
+                  <Constraints>
+                      <check001>
+                          <ValidationMessage>Only one option could be selected</ValidationMessage>
+                          <type>SingleSelectConstraint</type>
+                          <addFields>
+                              <pie_enable>pie_enable</pie_enable>
+                          </addFields>
+                      </check001>
+                  </Constraints>
                 </codel_enable>
                 <codel_target type="IntegerField">
                   <Required>N</Required>
@@ -87,6 +96,11 @@
                 <pie_enable type="BooleanField">
                   <default>0</default>
                   <Required>Y</Required>
+                  <Constraints>
+                      <check001>
+                          <reference>codel_enable.check001</reference>
+                      </check001>
+                  </Constraints>
                 </pie_enable>
                 <fqcodel_quantum type="IntegerField">
                   <Required>N</Required>