diff --git a/boards/static/js/thread_update.js b/boards/static/js/thread_update.js
--- a/boards/static/js/thread_update.js
+++ b/boards/static/js/thread_update.js
@@ -295,9 +295,11 @@ function showNewPostsTitle(newPostCount)
         }
         unreadPosts = unreadPosts + newPostCount;
 
-        var newTitle = '* ';
+        var newTitle = null;
         if (unreadPosts > 0) {
-            newTitle += '[' + unreadPosts + '] ';
+            newTitle = '[' + unreadPosts + '] ';
+        } else {
+            newTitle = '* ';
         }
         newTitle += documentOriginalTitle;