diff --git a/hosts/dacbert/default.nix b/hosts/dacbert/default.nix
index ed4367dd..7fa2ccd9 100644
--- a/hosts/dacbert/default.nix
+++ b/hosts/dacbert/default.nix
@@ -76,12 +76,26 @@
     trustedUsers = [ "client" ];
     extraOptions = ''
       builders-use-substitutes = true
-      extra-platforms = armv6l-linux armv7l-linux
+      extra-platforms = armv6l-linux
     '';
     daemonCPUSchedPolicy = "idle";
     daemonIOSchedClass = "idle";
     settings.system-features = [];
   };
+  # kernel 32bit personality patch from Ubuntu
+  boot.kernelPatches = [
+    rec {
+      name = "compat_uts_machine";
+      patch = pkgs.fetchpatch {
+        inherit name;
+        url = "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/jammy/patch/?id=c1da50fa6eddad313360249cadcd4905ac9f82ea";
+        sha256 = "sha256-mpq4YLhobWGs+TRKjIjoe5uDiYLVlimqWUCBGFH/zzU=";
+      };
+    }
+  ];
+  boot.kernelParams = [
+    "compat_uts_machine=armv6l"
+  ];
 
   environment = {
     gnome.excludePackages = with pkgs.gnome; [