diff --git a/nixos/hardware/udev/default.nix b/nixos/hardware/udev/default.nix
index 5331f16..30475c4 100644
--- a/nixos/hardware/udev/default.nix
+++ b/nixos/hardware/udev/default.nix
@@ -1,14 +1,12 @@
 { ... }:
-
 {
   services.udev.extraRules = ''
     KERNEL=="ttyACM[0-9]*", MODE="0666"
-    KERNEL=="ttyUSB[0-9]*", MODE="0666" 
+    KERNEL=="ttyUSB[0-9]*", MODE="0666"
+    SUBSYSTEM=="usb", ATTR{idVendor}=="12d1", MODE="0666", GROUP="plugdev"
   '';
-
   services.udisks2.enable = true;
   services.gvfs.enable = true;
-
   security.polkit.extraConfig = ''
     polkit.addRule(function(action, subject) {
         if (action.id.match("org.freedesktop.udisks2.") &&
diff --git a/nixos/users/default.nix b/nixos/users/default.nix
index 4cbe218..4819cd9 100644
--- a/nixos/users/default.nix
+++ b/nixos/users/default.nix
@@ -13,6 +13,7 @@
       "lp"
       "scanner"
       "libvirtd"
+      "plugdev"
     ];
     shell = pkgs.zsh;
   };