diff --git a/src/Monitoring/Unread.coffee b/src/Monitoring/Unread.coffee
index fb78fd62a..51a030c71 100755
--- a/src/Monitoring/Unread.coffee
+++ b/src/Monitoring/Unread.coffee
@@ -182,6 +182,7 @@ Unread =
   updatePosition: ->
     while Unread.position and !Unread.posts.has Unread.position.ID
       Unread.position = Unread.position.next
+    return
 
   saveLastReadPost: $.debounce 2 * $.SECOND, ->
     postIDs = Unread.thread.posts.keys