diff --git a/src/FromWidgetPostMessageApi.js b/src/FromWidgetPostMessageApi.js
index 2d7d860989..d34e3d8ed0 100644
--- a/src/FromWidgetPostMessageApi.js
+++ b/src/FromWidgetPostMessageApi.js
@@ -1,6 +1,7 @@
 /*
 Copyright 2018 New Vector Ltd
 Copyright 2019 Travis Ralston
+Copyright 2019 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the 'License');
 you may not use this file except in compliance with the License.