diff --git a/modules/linuxcnc.nix b/modules/linuxcnc.nix
index d3cd7e6..454fa6c 100644
--- a/modules/linuxcnc.nix
+++ b/modules/linuxcnc.nix
@@ -6,7 +6,7 @@ in {
   options.local.packages.linuxcnc.enable = lib.mkEnableOption "Enable linuxcnc";
 
   config = lib.mkIf cfg.enable {
-    environment.systemPackages = with pkgs; [ linuxcnc linuxcnc-ethercat ];
+    environment.systemPackages = with pkgs; [ linuxcnc linuxcnc-ethercat hal-cia402 ];
 
     security.wrappers = listToAttrs (map (f: {
       name = f;