diff --git a/gfx/prop/children.lua b/gfx/prop/children.lua
index ce53b27..3628d24 100644
--- a/gfx/prop/children.lua
+++ b/gfx/prop/children.lua
@@ -8,7 +8,7 @@ function Children:with(elementType)
   function elementType:_iterateChildren(opts)
     local func, tbl, start = ipairs(propSelf:getState(self))
     return function(t, i)
-        if i == opts.to then
+        if i == (opts and opts.to) then
             return nil, nil
         end
         return func(t, i)