diff --git a/src/context/schemas/chatInitSettings.schema.json b/src/context/schemas/chatInitSettings.schema.json
index 26b5013ba..cedfe528b 100644
--- a/src/context/schemas/chatInitSettings.schema.json
+++ b/src/context/schemas/chatInitSettings.schema.json
@@ -5,6 +5,7 @@
     "title": "ChatInitSettings",
     "allOf": [{ "$ref": "context.schema.json#" }],
     "properties": {
+        "type": { "const": "fdc3.chat.initSettings" },
         "chatName": {
             "type": "string"
         },