diff --git a/addons/im_support/static/src/js/support_message.js b/addons/im_support/static/src/js/support_message.js
index bf21bd2624f..7d7e33aef1c 100644
--- a/addons/im_support/static/src/js/support_message.js
+++ b/addons/im_support/static/src/js/support_message.js
@@ -14,7 +14,10 @@ var SupportMessage = Message.extend({
      */
     init: function () {
         this._super.apply(this, arguments);
-        if (this._serverAuthorID !== this.call('mail_service', 'getOdoobotID')) {
+        if (
+            !this._serverAuthorID ||
+            this._serverAuthorID[0] !== this.call('mail_service', 'getOdoobotID')[0]
+        ) {
             if (!this._serverAuthorID[0]) {
                 // the author is the client
                 this._serverAuthorID = [session.partner_id, session.name];
diff --git a/addons/mail/static/src/js/models/messages/message.js b/addons/mail/static/src/js/models/messages/message.js
index a414a11874b..613e94c54f8 100644
--- a/addons/mail/static/src/js/models/messages/message.js
+++ b/addons/mail/static/src/js/models/messages/message.js
@@ -578,7 +578,8 @@ var Message =  AbstractMessage.extend(Mixins.EventDispatcherMixin, ServicesMixin
      * @return {boolean}
      */
     _isOdoobotAuthor: function () {
-        return this._serverAuthorID === this.call('mail_service', 'getOdoobotID');
+        return this._serverAuthorID &&
+            this._serverAuthorID[0] === this.call('mail_service', 'getOdoobotID')[0];
     },
     /**
      * State whether the message is transient or not
diff --git a/addons/mail/static/src/js/services/mail_manager.js b/addons/mail/static/src/js/services/mail_manager.js
index 5eb588d24e7..394892952c4 100644
--- a/addons/mail/static/src/js/services/mail_manager.js
+++ b/addons/mail/static/src/js/services/mail_manager.js
@@ -46,7 +46,7 @@ var PREVIEW_MSG_MAX_SIZE = 350;  // optimal for native english speakers
 
 var MailManager =  AbstractService.extend({
     dependencies: ['ajax', 'bus_service', 'local_storage'],
-    _ODOOBOT_ID: "ODOOBOT", // default authorID for transient messages
+    _ODOOBOT_ID: ["ODOOBOT", "ODOOBOT"], // authorID for transient messages
 
     /**
      * @override
@@ -258,7 +258,7 @@ var MailManager =  AbstractService.extend({
     /**
      * Get the OdooBot ID, which is the default authorID for transient messages
      *
-     * @returns {string}
+     * @returns {Array<string>}
      */
     getOdoobotID: function () {
         return this._ODOOBOT_ID;
diff --git a/addons/mail/static/src/js/services/mail_notification_manager.js b/addons/mail/static/src/js/services/mail_notification_manager.js
index fb3527b2b90..849ced2e065 100644
--- a/addons/mail/static/src/js/services/mail_notification_manager.js
+++ b/addons/mail/static/src/js/services/mail_notification_manager.js
@@ -468,12 +468,11 @@ MailManager.include({
      *
      * @private
      * @param {Object} data
-     * @param {string} data.author_id
      */
     _handlePartnerTransientMessageNotification: function (data) {
         var lastMessage = _.last(this._messages);
         data.id = (lastMessage ? lastMessage.getID() : 0) + 0.01;
-        data.author_id = data.author_id || this.getOdoobotID();
+        data.author_id = this.getOdoobotID();
         this.addMessage(data);
     },
     /**
diff --git a/addons/mail/static/src/js/services/mail_status_manager.js b/addons/mail/static/src/js/services/mail_status_manager.js
index 5ca151d47bf..dffe10380e1 100644
--- a/addons/mail/static/src/js/services/mail_status_manager.js
+++ b/addons/mail/static/src/js/services/mail_status_manager.js
@@ -30,6 +30,9 @@ MailManager.include({
     getImStatus: function (data) {
         var self = this;
         var partnerID = data.partnerID;
+        if (partnerID === this.getOdoobotID()[0]) {
+            return 'bot';
+        }
         if (!this._imStatus[partnerID]) {
             // Add to list to call it in next bus update or _fetchMissingImStatus
             this._imStatus[partnerID] = undefined;