diff --git a/user-chch.nix b/user-chch.nix
index 67621a5..e0014a8 100644
--- a/user-chch.nix
+++ b/user-chch.nix
@@ -2,7 +2,7 @@
 {
    users.users.chch = {
      isNormalUser = true;
-     extraGroups = [ "wheel" "lpadmin" "dialout" "wireshark" ]; # Enable ‘sudo’ for the user.
+     extraGroups = [ "wheel" "dialout" "wireshark" "plugdev"]; # Enable ‘sudo’ for the user.
      packages = with pkgs; [
        tree  
        firefox