diff --git a/src/Monitoring/ThreadWatcher.coffee b/src/Monitoring/ThreadWatcher.coffee
index 6d61b1819..a65815ab8 100755
--- a/src/Monitoring/ThreadWatcher.coffee
+++ b/src/Monitoring/ThreadWatcher.coffee
@@ -290,6 +290,25 @@ ThreadWatcher =
       Index.sort()
       Index.buildIndex()
 
+  update: (boardID, threadID, newData) ->
+    return unless data = ThreadWatcher.db?.get {boardID, threadID}
+    if newData.isDead and Conf['Auto Prune']
+      ThreadWatcher.db.delete {boardID, threadID}
+      ThreadWatcher.refresh()
+      return
+    n = 0
+    n++ for key, val of newData when data[key] isnt val
+    return unless n
+    ThreadWatcher.db.forceSync()
+    return unless data = ThreadWatcher.db.get {boardID, threadID}
+    $.extend data, newData
+    ThreadWatcher.db.set {boardID, threadID, val: data}
+    if line = $ "#watched-threads > [data-full-i-d='#{boardID}.#{threadID}']", ThreadWatcher.dialog
+      newLine = ThreadWatcher.makeLine boardID, threadID, data
+      $.replace line, newLine
+    else
+      ThreadWatcher.refresh()
+
   toggle: (thread) ->
     boardID  = thread.board.ID
     threadID = thread.ID
diff --git a/src/Monitoring/Unread.coffee b/src/Monitoring/Unread.coffee
index 0f3219244..c59979c5c 100755
--- a/src/Monitoring/Unread.coffee
+++ b/src/Monitoring/Unread.coffee
@@ -219,6 +219,11 @@ Unread =
         Unread.title
       d.title = "#{titleQuotingYou}#{titleCount}#{titleDead}"
 
+    ThreadWatcher.update Unread.thread.board.ID, Unread.thread.ID,
+      isDead: Unread.thread.isDead
+      unread: count
+      quotingYou: countQuotingYou
+
     return unless Conf['Unread Favicon']
 
     Favicon.el.href =