diff --git a/client/components/Chat.vue b/client/components/Chat.vue
index 2108abd8..7363ca5a 100644
--- a/client/components/Chat.vue
+++ b/client/components/Chat.vue
@@ -114,7 +114,7 @@ export default {
 		"channel.messages"() {
 			const el = this.$refs.chat;
 
-			if (el.scrollHeight - el.scrollTop - el.offsetHeight > 30) {
+			if (!el || el.scrollHeight - el.scrollTop - el.offsetHeight > 30) {
 				return;
 			}
 
diff --git a/client/js/lounge.js b/client/js/lounge.js
index 1e2a4063..84c0b9e4 100644
--- a/client/js/lounge.js
+++ b/client/js/lounge.js
@@ -127,7 +127,11 @@ window.vueMounted = () => {
 		let channel;
 
 		if (vueApp.activeChannel) {
-			vueApp.activeChannel.channel.firstUnread = vueApp.activeChannel.channel.messages[vueApp.activeChannel.channel.messages.length - 1].id;
+			const {channel: lastChannel} = vueApp.activeChannel;
+
+			if (lastChannel.messages.length > 0) {
+				lastChannel.firstUnread = lastChannel.messages[lastChannel.messages.length - 1].id;
+			}
 		}
 
 		if (inSidebar) {