diff --git a/server/http.go b/server/http.go
index 42b07135..6850ce65 100644
--- a/server/http.go
+++ b/server/http.go
@@ -45,6 +45,7 @@ const (
 
 type startMeetingRequest struct {
 	ChannelID string `json:"channel_id"`
+	RootID    string `json:"root_id"`
 	Personal  bool   `json:"personal"`
 	Topic     string `json:"topic"`
 	MeetingID int    `json:"meeting_id"`
@@ -496,7 +497,7 @@ func (p *Plugin) handleStartMeeting(w http.ResponseWriter, r *http.Request) {
 			if _, err := w.Write([]byte(`{"meeting_url": ""}`)); err != nil {
 				p.API.LogWarn("failed to write the response", "error", err.Error())
 			}
-			p.postConfirm(recentMeetingLink, req.ChannelID, req.Topic, userID, "", creatorName, provider)
+			p.postConfirm(recentMeetingLink, req.ChannelID, req.Topic, userID, req.RootID, creatorName, provider)
 			return
 		}
 	}
diff --git a/webapp/src/actions/index.js b/webapp/src/actions/index.js
index 3d890725..5a713c3e 100644
--- a/webapp/src/actions/index.js
+++ b/webapp/src/actions/index.js
@@ -5,7 +5,7 @@ import {PostTypes} from 'mattermost-redux/action_types';
 
 import Client from '../client';
 
-export function startMeeting(channelId, force = false, topic = '') {
+export function startMeeting(channelId, rootId, force = false, topic = '') {
     return async (dispatch, getState) => {
         try {
             let meetingURL = '';
@@ -41,7 +41,7 @@ export function startMeeting(channelId, force = false, topic = '') {
                 is_pinned: false,
                 user_id: getState().entities.users.currentUserId,
                 channel_id: channelId,
-                root_id: '',
+                root_id: rootId,
                 parent_id: '',
                 original_id: '',
                 message: m,
@@ -55,6 +55,7 @@ export function startMeeting(channelId, force = false, topic = '') {
                 type: PostTypes.RECEIVED_NEW_POST,
                 data: post,
                 channelId,
+                rootId,
             });
 
             return {error};
diff --git a/webapp/src/client/client.js b/webapp/src/client/client.js
index f52aea6c..1d0ddab1 100644
--- a/webapp/src/client/client.js
+++ b/webapp/src/client/client.js
@@ -23,10 +23,15 @@ export default class Client {
         return res.meeting_url;
     }
 
-    forceStartMeeting = async (channelId, personal = true, topic = '', meetingId = 0) => {
-        const meetingUrl = await this.startMeeting(channelId, personal, topic, meetingId, true);
+    forceStartMeeting = async (channelId, rootId, personal = true, topic = '', meetingId = 0) => {
+        const meetingUrl = await this.startMeeting(channelId, rootId, personal, topic, meetingId, true);
         return meetingUrl;
     }
+
+    getChannelIdForThread = async (baseURL, threadId) => {
+        const threadDetails = await doGet(`${baseURL}/api/v4/posts/${threadId}/thread`);
+        return threadDetails.posts[threadId].channel_id;
+    }
 }
 
 export const doPost = async (url, body, headers = {}) => {
@@ -49,3 +54,23 @@ export const doPost = async (url, body, headers = {}) => {
         url,
     });
 };
+
+export const doGet = async (url) => {
+    const options = {
+        method: 'get',
+    };
+
+    const response = await fetch(url, Client4.getOptions(options));
+
+    if (response.ok) {
+        return response.json();
+    }
+
+    const text = await response.text();
+
+    throw new ClientError(Client4.url, {
+        message: text || '',
+        status_code: response.status,
+        url,
+    });
+};
diff --git a/webapp/src/index.js b/webapp/src/index.js
index c126f1b2..ff70a981 100644
--- a/webapp/src/index.js
+++ b/webapp/src/index.js
@@ -27,8 +27,17 @@ class Plugin {
             const iconURL = getPluginURL(store.getState()) + '/public/app-bar-icon.png';
             registry.registerAppBarComponent(
                 iconURL,
-                (channel) => {
-                    startMeeting(channel.id)(store.dispatch, store.getState);
+                async (channel) => {
+                    if (channel) {
+                        startMeeting(channel.id, '')(store.dispatch, store.getState);
+                    } else {
+                        const state = store.getState();
+                        const teamId = state?.entities.teams.currentTeamId;
+                        const threadId = state?.views.threads.selectedThreadIdInTeam[teamId];
+                        const baseURL = state?.entities.general.config.SiteURL;
+                        const channelId = await Client.getChannelIdForThread(baseURL, threadId);
+                        startMeeting(channelId, threadId)(store.dispatch, store.getState);
+                    }
                 },
                 'Start Zoom Meeting',
             );