diff --git a/event-schemas/schema/v1/m.room.third_party_invite b/event-schemas/schema/v1/m.room.third_party_invite
index dc010fe7..ba66100f 100644
--- a/event-schemas/schema/v1/m.room.third_party_invite
+++ b/event-schemas/schema/v1/m.room.third_party_invite
@@ -4,7 +4,7 @@
     "title": "An invitation to a room issued to a third party identifier, rather than a matrix user ID.",
     "description": "Acts as an ``m.room.member`` invite event, where there isn't a target user_id to invite. This event contains a token and a public key whose private key must be used to sign the token. Any user who can present that signature may use this invitation to join the target room.",
     "allOf": [{
-        "$ref": "core#/definitions/state_event"
+        "$ref": "core-event-schema/state_event.json"
     }],
     "properties": {
         "content": {