diff --git a/hosts/dacbert/default.nix b/hosts/dacbert/default.nix
index 4f5a8bc7..0ec31498 100644
--- a/hosts/dacbert/default.nix
+++ b/hosts/dacbert/default.nix
@@ -35,6 +35,11 @@
       };
     };
     kernelPackages = pkgs.linuxPackages_5_13;
+    kernelParams = lib.mkForce [
+      "snd_bcm2835.enable_headphones=1"
+      # don't let sd-image-aarch64.nix setup serial console as it breaks bluetooth.
+      "console=tty0"
+    ];
     # Don't build ZFS for aarch64 (broken?)
     supportedFilesystems = lib.mkForce [ "vfat" "ext4" ];