diff --git a/homes/julian/pianonix.nix b/homes/julian/pianonix.nix
index 4ff018a..3cc13fa 100644
--- a/homes/julian/pianonix.nix
+++ b/homes/julian/pianonix.nix
@@ -52,8 +52,9 @@
   # Autostart link
   home.file = {
     # ".config/autostart/sheet-organizer.desktop".source = "${pkgs.sheet-organizer}/share/applications/sheet-organizer.desktop";
-    # ".config/autostart/firefox.desktop".source = "${pkgs.firefox}/share/applications/firefox.desktop";
-    ".config/autostart/chromium.desktop".source = "${pkgs.chromium}/share/applications/chromium.desktop";
+    ".config/autostart/firefox.desktop".source = "${pkgs.firefox}/share/applications/firefox.desktop";
+    ".config/autostart/onboard.desktop".source = "${pkgs.onboard}/share/applications/onboard.desktop";
+    # ".config/autostart/chromium.desktop".source = "${pkgs.chromium}/share/applications/chromium.desktop";
     ".config/sheet-organizer/config.toml".text = ''
       working_directory = "/home/julian/Klavier"
     '';
diff --git a/hosts/pianonix/default.nix b/hosts/pianonix/default.nix
index f61bf7e..d2c4f0e 100644
--- a/hosts/pianonix/default.nix
+++ b/hosts/pianonix/default.nix
@@ -31,9 +31,12 @@
   # enabled by fish, disabling speeds up builds
   documentation.man.generateCaches = false;
 
-  networking.enableIPv6 = false; # This only leads to issues with avahi
+  # networking.enableIPv6 = false; # This only leads to issues with avahi
+  # services.avahi.ipv6 = false;
 
+  hardware.raspberry-pi."4".bluetooth.enable = true;
   hardware.bluetooth.enable = true;
+  hardware.bluetooth.powerOnBoot = true;
   services.blueman.enable = true; # bluetooth gui
   # raspberry pi specific
   # systemd.services.btattach = {
diff --git a/hosts/pianonix/hardware-configuration.nix b/hosts/pianonix/hardware-configuration.nix
index eee6733..a2e2028 100644
--- a/hosts/pianonix/hardware-configuration.nix
+++ b/hosts/pianonix/hardware-configuration.nix
@@ -14,12 +14,12 @@
   boot.initrd.kernelModules = [];
   boot.kernelModules = [];
   boot.extraModulePackages = [];
-  boot.kernelPackages = pkgs.linuxPackages_latest; # use latest linux kernel
-  boot.supportedFilesystems = lib.mkForce [
-    # remove zfs, since its incompatible with latest kernel
-    "vfat"
-    "ext4"
-  ];
+  boot.kernelPackages = pkgs.linuxKernel.packages.linux_rpi4;
+  # boot.supportedFilesystems = lib.mkForce [
+  #   # remove zfs, since its incompatible with latest kernel
+  #   "vfat"
+  #   "ext4"
+  # ];
 
   fileSystems."/" = {
     device = "/dev/disk/by-label/NIXOS_SD";