diff --git a/schema/core-person.json b/schema/core-person.json
index 4d42db5..7fe364e 100644
--- a/schema/core-person.json
+++ b/schema/core-person.json
@@ -46,7 +46,12 @@
             "sourcedId": {
                 "type": "array",
                 "items": {
-                    "id": {"type": "string"}
+                    "type": "object",
+                    "properties": {
+                        "source": {"type": "string"},
+                        "id": {"type": "string"}
+                    }
+
                 }
             },
             "birthDate": {"type": "string"},