From 32aecd06304ccac283eba35b6c9a77233508888e Mon Sep 17 00:00:00 2001
From: Richard Lewis <richard@smetco.co.uk>
Date: Thu, 4 Jan 2018 18:43:08 +0000
Subject: [PATCH] Fix event call

---
 src/WidgetMessaging.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/WidgetMessaging.js b/src/WidgetMessaging.js
index 4b50b21626..934f9bc3f2 100644
--- a/src/WidgetMessaging.js
+++ b/src/WidgetMessaging.js
@@ -208,7 +208,7 @@ export default class WidgetMessaging extends MatrixPostMessageApi {
     startListening() {
         this.start();
         if (global.mxWidgetMessagingListenerCount === 0) {
-            window.addEventListener("message", () => this.onMessage, false);
+            window.addEventListener("message", (evt) => this.onMessage(evt), false);
         }
         global.mxWidgetMessagingListenerCount += 1;
     }