diff --git a/schemas/data-ingress/message-envelope.json b/schemas/data-ingress/message-envelope.json
index cabb07c..8f62678 100644
--- a/schemas/data-ingress/message-envelope.json
+++ b/schemas/data-ingress/message-envelope.json
@@ -23,7 +23,7 @@
         },
         "data_kind": {
             "type": "string",
-            "enum": ["pis", "timetable", "knowledgebase", "PushPort16Schedule", "darwin_ts", "darwin_ref"],
+            "enum": ["pis", "timetable", "kb-stations", "PushPort16Schedule", "darwin_ts", "darwin_ref"],
             "description": "The data type contained in the message.  Currently supported PIS: PIS Data, Timetable: CIF or VSTP Data, Knowledgebase: Station Data"
         },
         "payload": {}