diff --git a/src/Filtering/ThreadHiding.coffee b/src/Filtering/ThreadHiding.coffee
index 155a94be1..0241703d2 100644
--- a/src/Filtering/ThreadHiding.coffee
+++ b/src/Filtering/ThreadHiding.coffee
@@ -20,7 +20,7 @@ ThreadHiding =
       thread = Get.threadFromRoot root
       continue unless thread.isHidden
       unless thread.stub
-        nodes[i + 1].hidden = true
+        Index.nodes[i + 1].hidden = true
       else unless root.contains thread.stub
         # When we come back to a page, the stub is already there.
         ThreadHiding.makeStub thread, root