diff --git a/lib/ash/resource/calculation/expression.ex b/lib/ash/resource/calculation/expression.ex
index 5773b9b5..dd542da6 100644
--- a/lib/ash/resource/calculation/expression.ex
+++ b/lib/ash/resource/calculation/expression.ex
@@ -2,6 +2,12 @@ defmodule Ash.Resource.Calculation.Expression do
   @moduledoc false
   use Ash.Calculation, type: :string
 
+  @doc false
+  # This exists to fix some very strange
+  # compile time errors, whereby Code.ensure_compiled(this_module)
+  # doesn't work, but calling a function on it does
+  def check, do: :ok
+
   def expression(opts, context) do
     expr =
       Ash.Filter.build_filter_from_template(opts[:expr], nil, context, context[:context] || %{})
diff --git a/lib/ash/sort/sort.ex b/lib/ash/sort/sort.ex
index 25a1287a..f6a0777e 100644
--- a/lib/ash/sort/sort.ex
+++ b/lib/ash/sort/sort.ex
@@ -10,6 +10,9 @@ defmodule Ash.Sort do
 
   alias Ash.Error.Query.{InvalidSortOrder, NoSuchAttribute}
 
+  # See the comment in that module for more on why this is here
+  Ash.Resource.Calculation.Expression.check()
+
   @doc """
   A utility for parsing sorts provided from external input. Only allows sorting
   on public attributes and aggregates.