diff --git a/plugins/chat/app/jobs/regular/chat/notify_mentioned.rb b/plugins/chat/app/jobs/regular/chat/notify_mentioned.rb
index 5b472be3cd7..dc1defcd2a0 100644
--- a/plugins/chat/app/jobs/regular/chat/notify_mentioned.rb
+++ b/plugins/chat/app/jobs/regular/chat/notify_mentioned.rb
@@ -15,6 +15,7 @@ module Jobs
 
         @creator = @chat_message.user
         @chat_channel = @chat_message.chat_channel
+        @is_direct_message_channel = @chat_channel.direct_message_channel?
         @already_notified_user_ids = args[:already_notified_user_ids] || []
         user_ids_to_notify = args[:to_notify_ids_map] || {}
         user_ids_to_notify.each { |mention_type, ids| process_mentions(ids, mention_type.to_sym) }
@@ -37,7 +38,7 @@ module Jobs
           chat_message_id: @chat_message.id,
           chat_channel_id: @chat_channel.id,
           mentioned_by_username: @creator.username,
-          is_direct_message_channel: @chat_channel.direct_message_channel?,
+          is_direct_message_channel: @is_direct_message_channel,
         }
 
         data[:chat_thread_id] = @chat_message.thread_id if @chat_message.in_thread?
@@ -76,6 +77,8 @@ module Jobs
           tag: ::Chat::Notifier.push_notification_tag(:mention, @chat_channel.id),
           excerpt: @chat_message.push_notification_excerpt,
           post_url: post_url,
+          channel_id: @chat_channel.id,
+          is_direct_message_channel: @is_direct_message_channel,
         }
 
         translation_prefix =
diff --git a/plugins/chat/app/jobs/regular/chat/notify_watching.rb b/plugins/chat/app/jobs/regular/chat/notify_watching.rb
index ac05cf1ccc2..c11afafefa5 100644
--- a/plugins/chat/app/jobs/regular/chat/notify_watching.rb
+++ b/plugins/chat/app/jobs/regular/chat/notify_watching.rb
@@ -81,6 +81,7 @@ module Jobs
           tag: ::Chat::Notifier.push_notification_tag(:message, @chat_channel.id),
           excerpt: @chat_message.push_notification_excerpt,
           channel_id: @chat_channel.id,
+          is_direct_message_channel: @is_direct_message_channel,
         }
 
         if @chat_message.in_thread? && !membership.muted?
diff --git a/plugins/chat/assets/javascripts/discourse/initializers/chat-audio.js b/plugins/chat/assets/javascripts/discourse/initializers/chat-audio.js
index 0decff95833..cd64b85c099 100644
--- a/plugins/chat/assets/javascripts/discourse/initializers/chat-audio.js
+++ b/plugins/chat/assets/javascripts/discourse/initializers/chat-audio.js
@@ -40,7 +40,7 @@ export default {
 
         if (
           indicatorType === INDICATOR_PREFERENCES.dm_and_mentions &&
-          !data.isDirectMessageChannel &&
+          !data.is_direct_message_channel &&
           !isMention
         ) {
           return;
diff --git a/plugins/chat/assets/javascripts/discourse/services/chat-notification-manager.js b/plugins/chat/assets/javascripts/discourse/services/chat-notification-manager.js
index 09ef8742a0a..8c253066d84 100644
--- a/plugins/chat/assets/javascripts/discourse/services/chat-notification-manager.js
+++ b/plugins/chat/assets/javascripts/discourse/services/chat-notification-manager.js
@@ -1,4 +1,3 @@
-import { action } from "@ember/object";
 import Service, { service } from "@ember/service";
 import {
   alertChannel,
@@ -146,13 +145,6 @@ export default class ChatNotificationManager extends Service {
     }
   }
 
-  @action
-  async fetchChannel(channelId) {
-    return await this.chatChannelsManager.find(channelId, {
-      fetchIfNotFound: false,
-    });
-  }
-
   @bind
   async onMessage(data) {
     if (data.channel_id === this.chat.activeChannel?.id) {
@@ -160,12 +152,6 @@ export default class ChatNotificationManager extends Service {
     }
 
     if (this.site.desktopView) {
-      const channel = await this.fetchChannel(data.channel_id);
-
-      if (channel) {
-        data.isDirectMessageChannel = channel.isDirectMessageChannel ?? false;
-      }
-
       return onDesktopNotification(
         data,
         this.siteSettings,
diff --git a/plugins/chat/spec/jobs/regular/chat/notify_mentioned_spec.rb b/plugins/chat/spec/jobs/regular/chat/notify_mentioned_spec.rb
index f1238562ecb..52bbc71a843 100644
--- a/plugins/chat/spec/jobs/regular/chat/notify_mentioned_spec.rb
+++ b/plugins/chat/spec/jobs/regular/chat/notify_mentioned_spec.rb
@@ -257,6 +257,8 @@ describe Jobs::Chat::NotifyMentioned do
           excerpt: message.push_notification_excerpt,
           post_url: "/chat/c/#{public_channel.slug}/#{public_channel.id}/#{message.id}",
           translated_title: payload_translated_title,
+          channel_id: public_channel.id,
+          is_direct_message_channel: false,
         },
       )
 
diff --git a/plugins/chat/spec/system/user_menu_notifications/sidebar_spec.rb b/plugins/chat/spec/system/user_menu_notifications/sidebar_spec.rb
index 3fa514dedd0..a46e881651b 100644
--- a/plugins/chat/spec/system/user_menu_notifications/sidebar_spec.rb
+++ b/plugins/chat/spec/system/user_menu_notifications/sidebar_spec.rb
@@ -63,7 +63,7 @@ RSpec.describe "User menu notifications | sidebar", type: :system do
           end
           expect(find("#quick-access-chat-notifications")).to have_link(
             I18n.t("js.notifications.popup.direct_message_chat_mention.direct"),
-            href: "/discuss/chat/c/#{other_user.username}/#{dm_channel_1.id}/#{message.id}",
+            href: "/discuss/chat/c/-/#{dm_channel_1.id}/#{message.id}",
           )
         end
       end
diff --git a/plugins/chat/test/javascripts/unit/lib/chat-audio-test.js b/plugins/chat/test/javascripts/unit/lib/chat-audio-test.js
index da34453c83b..f51ade2eeaf 100644
--- a/plugins/chat/test/javascripts/unit/lib/chat-audio-test.js
+++ b/plugins/chat/test/javascripts/unit/lib/chat-audio-test.js
@@ -85,7 +85,7 @@ module("Discourse Chat | Unit | chat-audio", function (hooks) {
     this.currentUser.user_option.chat_header_indicator_preference =
       "dm_and_mentions";
 
-    this.handleNotification({ isDirectMessageChannel: true });
+    this.handleNotification({ is_direct_message_channel: true });
 
     assert.ok(this.playStub.calledOnce);
   });
@@ -94,7 +94,7 @@ module("Discourse Chat | Unit | chat-audio", function (hooks) {
     this.currentUser.user_option.chat_header_indicator_preference =
       "dm_and_mentions";
 
-    this.handleNotification({ isDirectMessageChannel: false });
+    this.handleNotification({ is_direct_message_channel: false });
 
     assert.ok(this.playStub.notCalled);
   });