diff --git a/emlx/lib/emlx.ex b/emlx/lib/emlx.ex
index 7aab32e..e1a847c 100644
--- a/emlx/lib/emlx.ex
+++ b/emlx/lib/emlx.ex
@@ -1741,7 +1741,7 @@ defmodule EMLX do
   # Known EMLX-specific compiler opts. `:command_queue` is injected by
   # `__partitions_options__/1` but may also be passed directly by callers
   # that manage their own queues (equivalent to a manual `with_queue`).
-  @valid_compiler_keys [:device, :max_concurrency, :command_queue]
+  @valid_compiler_keys [:device, :max_concurrency, :command_queue, :hooks]
 
   # Process-lifetime dispatch cache backing `dispatch_key/3` +
   # `get_or_compile_program/6` (see their docs) — a compiled program is keyed
@@ -1772,6 +1772,19 @@ defmodule EMLX do
   @impl Nx.Defn.Compiler
   def __compile__(_key, vars, fun, opts) do
     Keyword.validate!(opts, @valid_compiler_keys)
+
+    case Keyword.get(opts, :hooks, %{}) do
+      empty when empty == %{} ->
+        :ok
+
+      hooks ->
+        raise ArgumentError,
+              "EMLX does not support the :hooks named-override map (got callbacks for " <>
+                "#{inspect(Map.keys(hooks))}) — :hook/:io_call expr nodes lower natively " <>
+                "with their own inline default callback, but swapping in a different " <>
+                "callback per hook name via compiler opts isn't wired through"
+    end
+
     queue = Keyword.get(opts, :command_queue)
     device = Keyword.get(opts, :device, default_device())