diff --git a/patterns/alz/alz-portal.json b/patterns/alz/alz-portal.json
index 6589edd20..0174ae32a 100644
--- a/patterns/alz/alz-portal.json
+++ b/patterns/alz/alz-portal.json
@@ -272,7 +272,7 @@
               "toolTip": "Provide the name of the Management Group that will be used to host the platform resources.",
               "constraints": {
                 "allowedValues": "[map(steps('Configuration').ManagementGroupAPI.value, (item) => parse(concat('{\"label\":\"', item.name, '\",\"value\":\"', item.name, '\"}')))]",
-                "required": false
+                "required": true
               },
               "visible": true
             },