diff --git a/src/Filtering/Filter.coffee b/src/Filtering/Filter.coffee
index 934a5fa5f..5ecb1e3dd 100755
--- a/src/Filtering/Filter.coffee
+++ b/src/Filtering/Filter.coffee
@@ -91,7 +91,7 @@ Filter =
       settings
 
   node: ->
-    return if @isClone
+    return if @isClone or !@nodes.root.parentNode
     for key of Filter.filters
       value = Filter[key] @
       # Continue if there's nothing to filter (no tripcode for example).
diff --git a/src/Filtering/PostHiding.coffee b/src/Filtering/PostHiding.coffee
index 36da5697d..4ebfefaac 100755
--- a/src/Filtering/PostHiding.coffee
+++ b/src/Filtering/PostHiding.coffee
@@ -11,7 +11,7 @@ PostHiding =
       cb:   @node
 
   node: ->
-    return if !@isReply or @isClone
+    return if !@isReply or @isClone or !@nodes.root.parentNode
     if data = PostHiding.db.get {boardID: @board.ID, threadID: @thread.ID, postID: @ID}
       if data.thisPost
         PostHiding.hide @, data.makeStub, data.hideRecursively
diff --git a/src/Filtering/Recursive.coffee b/src/Filtering/Recursive.coffee
index 6d84dd78b..aa142d933 100755
--- a/src/Filtering/Recursive.coffee
+++ b/src/Filtering/Recursive.coffee
@@ -8,7 +8,7 @@ Recursive =
       cb:   @node
 
   node: ->
-    return if @isClone
+    return if @isClone or !@nodes.root.parentNode
     for quote in @quotes
       if obj = Recursive.recursives[quote]
         for recursive, i in obj.recursives