diff --git a/nixos/audio.nix b/nixos/audio.nix
index 88861dc7..87f3e9ca 100644
--- a/nixos/audio.nix
+++ b/nixos/audio.nix
@@ -11,8 +11,15 @@
 
   environment.systemPackages = [pkgs.alsa-utils];
 
-  # Fix for the HP USB-C Dock G5's
   services.udev.extraRules = ''
-    SUBSYSTEM=="sound", KERNEL=="controlC*", ATTRS{idVendor}=="03f0", ATTRS{idProduct}=="056b", RUN+="${pkgs.bash}/bin/bash -c '${pkgs.alsa-utils}/bin/amixer -c $(echo %k | sed s/controlC//) sset Headphones unmute'"
+    SUBSYSTEM=="sound", KERNEL=="controlC*", ATTRS{idVendor}=="03f0", ATTRS{idProduct}=="056b", TAG+="systemd", ENV{SYSTEMD_WANTS}+="unmute-dock-headphones@%k.service"
   '';
+
+  systemd.services."unmute-dock-headphones@" = {
+    description = "Unmute Headphones on HP USB-C Dock G5 sound card %i";
+    serviceConfig = {
+      Type = "oneshot";
+      ExecStart = "${pkgs.bash}/bin/bash -c '${pkgs.alsa-utils}/bin/amixer -c $(echo %i | sed s/controlC//) sset Headphones unmute'";
+    };
+  };
 }