diff --git a/lib/shared/messages/reaction-message-spec.js b/lib/shared/messages/reaction-message-spec.js
--- a/lib/shared/messages/reaction-message-spec.js
+++ b/lib/shared/messages/reaction-message-spec.js
@@ -213,7 +213,7 @@
     );
 
     if (targetMessageInfo?.creatorID !== notifTargetUserID) {
-      return messageNotifyTypes.SET_UNREAD;
+      return messageNotifyTypes.NONE;
     }
     return action === 'add_reaction'
       ? messageNotifyTypes.NOTIF_AND_SET_UNREAD