diff --git a/schemas/bigCo/membersprofile.schema.json b/schemas/bigCo/membersprofile.schema.json
index b08a33e375..c18b60895b 100644
--- a/schemas/bigCo/membersprofile.schema.json
+++ b/schemas/bigCo/membersprofile.schema.json
@@ -10,7 +10,7 @@
   "title": "Big Company Experience Profile",
   "type": "object",
   "auditable": true,
-  "meta:extensible": true,
+  "meta:extensible": false,
   "meta:extends": ["https://ns.adobe.com/xdm/data/record","https://ns.adobe.com/xdm/common/auditable","https://ns.adobe.com/xdm/context/identitymap","https://ns.adobe.com/xdm/context/profile-refactor", "https://ns.adobe.com/xdm/context/workaddress", "https://ns.adobe.com/bigco/memberworkaddress"],
   "description": "Big Co Member Profile schema.",
   "definitions": {