1 files changed, 2 insertions, 3 deletions
diff --git a/ui/lib/session.svelte.js b/ui/lib/session.svelte.js
index 2dae3c4..432fad2 100644
--- a/ui/lib/session.svelte.js
+++ b/ui/lib/session.svelte.js
@@ -7,14 +7,13 @@ import * as r from './state/remote/state.svelte.js';
 import * as l from './state/local/channels.svelte.js';
 import { Watchdog } from './watchdog.js';
 import { DateTime } from 'luxon';
-import { render } from '$lib/markdown.js';
 
 class Channel {
   static fromRemote({ at, id, name }, messages, meta) {
     const sentAt = messages
       .filter((message) => message.channel === id)
       .map((message) => message.at);
-    const lastEventAt = Math.max(at, ...sentAt);
+    const lastEventAt = DateTime.max(at, ...sentAt);
     const lastReadAt = meta.get(id)?.lastReadAt;
 
     const hasUnreads = lastReadAt === undefined || lastEventAt > lastReadAt;
@@ -114,7 +113,7 @@ class Session {
   onMessage(message) {
     const event = JSON.parse(message.data);
     this.remote.onEvent(event);
-    this.local.retainChannels(this.remote.channels.all.keys());
+    this.local.retainChannels(this.remote.channels.all);
     this.watchdog.reset(this.heartbeatMillis());
   }