1 files changed, 3 insertions, 1 deletions
diff --git a/addons/mail/static/src/js/thread_windows/abstract_thread_window.js b/addons/mail/static/src/js/thread_windows/abstract_thread_window.js
index f09b78b8d3f..0af2d1080db 100644
--- a/addons/mail/static/src/js/thread_windows/abstract_thread_window.js
+++ b/addons/mail/static/src/js/thread_windows/abstract_thread_window.js
@@ -394,8 +394,9 @@ var AbstractThreadWindow = Widget.extend({
      *
      * @private
      * @param {Object} messageData
+     * @param {Function} callback
      */
-    _postMessage: function (messageData) {
+    _postMessage: function (messageData, callback) {
         var self = this;
         if (!this.hasThread()) {
             return;
@@ -403,6 +404,7 @@ var AbstractThreadWindow = Widget.extend({
         this._thread.postMessage(messageData)
             .then(function () {
                 self._threadWidget.scrollToBottom();
+                callback();
             });
     },
     /**