diff --git a/tools/devshell.nix b/tools/devshell.nix
index 724c18e..3dd58fb 100644
--- a/tools/devshell.nix
+++ b/tools/devshell.nix
@@ -8,7 +8,7 @@ pkgs.mkShell {
   packages = with pkgs; [
     nil
     nixpkgs-fmt
-    agenix.packages.${system}.default
+    agenix.packages.${stdenv.hostPlatform.system}.default
   ];
 
   shellHook = ''