From 620fc0d2108f4284d3f4234bc47cc64b410fe3b5 Mon Sep 17 00:00:00 2001
From: Bruno Windels <brunow@matrix.org>
Date: Thu, 3 Sep 2020 15:30:18 +0200
Subject: [PATCH] JSON stringify payload, olm_encrypt does not do objects

---
 src/matrix/e2ee/olm/Encryption.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/matrix/e2ee/olm/Encryption.js b/src/matrix/e2ee/olm/Encryption.js
index c8961656..b5f3449b 100644
--- a/src/matrix/e2ee/olm/Encryption.js
+++ b/src/matrix/e2ee/olm/Encryption.js
@@ -107,7 +107,8 @@ export class Encryption {
 
     _encryptForDevice(type, content, target) {
         const {session, device} = target;
-        const message = session.encrypt(this._buildPlainTextMessageForDevice(type, content, device));
+        const plaintext = JSON.stringify(this._buildPlainTextMessageForDevice(type, content, device));
+        const message = session.encrypt(plaintext);
         const encryptedContent = {
             algorithm: OLM_ALGORITHM,
             sender_key: this._account.identityKeys.curve25519,