diff --git a/schema/core-person.json b/schema/core-person.json
index b797313..5dca253 100644
--- a/schema/core-person.json
+++ b/schema/core-person.json
@@ -12,7 +12,7 @@
         "logon-id": {"$ref": "#/components/schemas/logon-id"},
         "iam-id": {"$ref": "#/components/schemas/iam-id"},
         "priorSubject-id": {"$ref": "#/components/schemas/priorSubject-id"},
-        "sourcedId": {"$ref": "#/components/schemas/sourcedId"},
+        "ext-id": {"$ref": "#/components/schemas/ext-id"},
         "birthDate": {"$ref": "#/components/schemas/birthDate"},
         "email": {"$ref": "#/components/schemas/email"},
         "phone": {"$ref": "#/components/schemas/phone"},
@@ -43,7 +43,7 @@
                     "id": {"type": "string"}
                 }
             },
-            "sourcedId": {
+            "ext-id": {
                 "type": "array",
                 "items": {
                     "type": "object",