From 49efefa6307e6eb42ac64dfb0a9f7af5e8220b00 Mon Sep 17 00:00:00 2001
From: Travis Ralston <travpc@gmail.com>
Date: Fri, 19 Oct 2018 14:18:05 -0600
Subject: [PATCH] Fix an error where React doesn't like value=null on a select

This only happens when there are no canonical aliases for a room.
---
 src/components/views/room_settings/AliasSettings.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/components/views/room_settings/AliasSettings.js b/src/components/views/room_settings/AliasSettings.js
index f9bf52cd24..92a025f10c 100644
--- a/src/components/views/room_settings/AliasSettings.js
+++ b/src/components/views/room_settings/AliasSettings.js
@@ -220,8 +220,9 @@ module.exports = React.createClass({
         let canonical_alias_section;
         if (this.props.canSetCanonicalAlias) {
             let found = false;
+            const canonicalValue = this.state.canonicalAlias || "";
             canonical_alias_section = (
-                <select onChange={this.onCanonicalAliasChange} value={this.state.canonicalAlias}>
+                <select onChange={this.onCanonicalAliasChange} value={canonicalValue}>
                     <option value="" key="unset">{ _t('not specified') }</option>
                     {
                         Object.keys(self.state.domainToAliases).map((domain, i) => {