From 5495cfaca9a7b35a238cc0f158c852348c355742 Mon Sep 17 00:00:00 2001
From: David Baker <dave@matrix.org>
Date: Thu, 18 Aug 2016 16:59:25 +0100
Subject: [PATCH] Only try to delete room rule if it exists

---
 src/RoomNotifs.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/RoomNotifs.js b/src/RoomNotifs.js
index ea1e525769c..00cad237919 100644
--- a/src/RoomNotifs.js
+++ b/src/RoomNotifs.js
@@ -100,7 +100,10 @@ function setRoomNotifsStateUnmuted(roomId, newState) {
     }
 
     if (newState == 'all_messages') {
-        promises.push(cli.deletePushRule('global', 'room', roomId));
+        const roomRule = cli.getRoomPushRule('global', roomId);
+        if (roomRule) {
+            promises.push(cli.deletePushRule('global', 'room', roomRule.rule_id));
+        }
     } else if (newState == 'mentions_only') {
         promises.push(cli.addPushRule('global', 'room', roomId, {
             actions: [