diff --git a/.github/workflows/pre-release.yml b/.github/workflows/pre-release.yml
index e862d930..e3ea265e 100644
--- a/.github/workflows/pre-release.yml
+++ b/.github/workflows/pre-release.yml
@@ -20,8 +20,9 @@ jobs:
             os: ubuntu-latest
           - target: i686-unknown-linux-musl
             os: ubuntu-latest
-          - target: i686-w64-mingw32
-            os: ubuntu-latest
+          # FIXME
+          # - target: i686-w64-mingw32
+          #   os: ubuntu-latest
           - target: x86_64-apple-darwin
             os: macos-13
           - target: x86_64-unknown-linux-musl
diff --git a/default.nix b/default.nix
index 202437ae..07574b2b 100644
--- a/default.nix
+++ b/default.nix
@@ -2,8 +2,9 @@
 
 let
   pkgs = import <nixpkgs> (
-    if isNull target then { }
-    else { crossSystem.config = target; }
+    if isNull target then { } else {
+      crossSystem = { isStatic = true; config = target; };
+    }
   );
 
   inherit (pkgs) lib hostPlatform;
diff --git a/shell.nix b/shell.nix
index a8435481..ddf2bff6 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,14 +1,8 @@
-{ pkgs ? import <nixpkgs> {
-    overlays = [
-      (import (fetchTarball "https://github.com/oxalica/rust-overlay/archive/master.tar.gz"))
-    ];
-  }
-}:
-
-let
-  package = import ./default.nix { inherit pkgs; };
-in
+{ pkgs ? import <nixpkgs> { } }:
 
 pkgs.mkShell {
-  inputsFrom = [ package ];
+  buildInputs = with pkgs; [
+    nixd
+    nixpkgs-fmt
+  ];
 }