diff --git a/flake.nix b/flake.nix
index aa2b982b70eda09bf2c37aea78e441eb95413cf7..6bf0d3ec3945deac6acda4abdb499524b7ae5c6e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -38,6 +38,7 @@
         legacyPackages = pkgs.callPackage (nixpkgs + /pkgs/development/haskell-modules) {
           buildHaskellPackages = pkgs.haskell.packages.ghc942;
           compilerConfig = pkgs.callPackage ./configuration-ghc-9.4.x.nix { inherit haskellLib; };
+          configurationArm = { pkgs, haskellLib }: self: super: { };
           configurationCommon = import ./configuration.nix;
           configurationNix = { pkgs, haskellLib }: self: super: { };
           ghc = pkgs.haskell.compiler.ghc942;