1 files changed, 11 insertions, 10 deletions
diff --git a/addons/mail/static/src/models/thread/thread.js b/addons/mail/static/src/models/thread/thread.js
index 4e1f1119351..6135a8802c3 100644
--- a/addons/mail/static/src/models/thread/thread.js
+++ b/addons/mail/static/src/models/thread/thread.js
@@ -1077,6 +1077,7 @@ function factory(dependencies) {
 
         /**
          * @private
+         * @returns {boolean}
          */
         _computeHasSeenIndicators() {
             if (this.model !== 'mail.channel') {
@@ -1509,23 +1510,23 @@ function factory(dependencies) {
         }
 
         /**
-         * Fetches followers of chats when they are displayed for the first
-         * time. This is necessary to clean the followers.
-         * @see `_onChangeFollowersPartner` for more information.
-         *
          * @private
          */
         _onChangeThreadViews() {
-            if (this.channel_type !== 'chat') {
-                return;
-            }
             if (this.threadViews.length === 0) {
                 return;
             }
-            if (this.areFollowersLoaded) {
-                return;
+            /**
+             * Fetches followers of chats when they are displayed for the first
+             * time. This is necessary to clean the followers.
+             * @see `_onChangeFollowersPartner` for more information.
+             */
+            if (this.channel_type === 'chat' && !this.areFollowersLoaded) {
+                this.refreshFollowers();
+            }
+            if (this.needactionMessagesAsOriginThread.length > 0) {
+                this.markNeedactionMessagesAsOriginThreadAsRead();
             }
-            this.refreshFollowers();
         }
 
         /**