diff --git a/code/apps/sys-icecap.lua b/code/apps/sys-icecap.lua
index b1eba7e..3cb4846 100644
--- a/code/apps/sys-icecap.lua
+++ b/code/apps/sys-icecap.lua
@@ -54,11 +54,11 @@ nexus = {
   nexus.create(40, #txl, ti, function (w, ev, a)
    if ev == "line" then
     if not pcall(w.span, 1, a, txl[a], 0xFFFFFF, 0) then
-     everestWindows[dw.id] = nil
+     everestWindows[w.id] = nil
     end
    elseif ev == "close" then
     w.close()
-    everestWindows[dw.id] = nil
+    everestWindows[w.id] = nil
    end
   end)
  end
diff --git a/code/init.lua b/code/init.lua
index 1f292f5..664fbe2 100644
--- a/code/init.lua
+++ b/code/init.lua
@@ -132,13 +132,13 @@ function wrapMeta(t)
    __call = function (_, ...)
     return t(...)
    end,
-   __pairs = function (a)
+   __pairs = function ()
     return function (x, key)
      local k, v = next(t, k)
      if k then return k, wrapMeta(v) end
     end, 9, nil
    end,
-   __ipairs = function (a)
+   __ipairs = function ()
     return function (x, key)
      key = key + 1
      if t[key] then
@@ -146,6 +146,9 @@ function wrapMeta(t)
      end
     end, 9, 0
    end,
+   __len = function ()
+    return #t
+   end,
    __metatable = uniqueNEOProtectionObject
    -- Don't protect this table - it'll make things worse
   })