diff --git a/.github/workflows/build-machines-and-homes.yml b/.github/workflows/build-machines-and-homes.yml
index 768a3c5..f34d785 100644
--- a/.github/workflows/build-machines-and-homes.yml
+++ b/.github/workflows/build-machines-and-homes.yml
@@ -14,7 +14,6 @@ jobs:
           - pancake
         os:
           - ubuntu-latest
-          - ubuntu-24.04-arm
     runs-on: ${{ matrix.os }}
     continue-on-error: true
     steps:
diff --git a/flake.nix b/flake.nix
index 0bd9cec..6fce982 100644
--- a/flake.nix
+++ b/flake.nix
@@ -210,6 +210,7 @@
                     {
                       nixpkgs.pkgs = pkgsFor "aarch64-linux";
                     }
+                    disko.nixosModules.disko
                     inputs.nixos-hardware.nixosModules.raspberry-pi-3
                     ./hosts/pancake
                     ./modules
diff --git a/hosts/common.nix b/hosts/common.nix
index 5303739..2e8b31a 100644
--- a/hosts/common.nix
+++ b/hosts/common.nix
@@ -9,6 +9,8 @@
         "root"
         "@wheel"
       ];
+      trusted-public-keys = [ "central:uWhjva6m6dhC2hqNisjn2hXGvdGBs19vPkA1dPEuwFg=" ];
+      substituters = [ "https://cache.cything.io/central" ];
     };
     channel.enable = false;
     optimise = {
diff --git a/hosts/pancake/default.nix b/hosts/pancake/default.nix
index 628d171..ae3145e 100644
--- a/hosts/pancake/default.nix
+++ b/hosts/pancake/default.nix
@@ -8,8 +8,8 @@
     (modulesPath + "/installer/scan/not-detected.nix")
     (modulesPath + "/profiles/qemu-guest.nix")
     ../common.nix
+    ./disk-config.nix
     ./hardware-configuration.nix
-    ../zsh.nix
   ];
 
   services.openssh = {
@@ -31,6 +31,7 @@
 
   # network stuff
   networking.hostName = "pancake";
+  networking.networkmanager.enable = true;
   networking.firewall = {
     enable = true;
     allowedTCPPorts = [
diff --git a/hosts/pancake/disk-config.nix b/hosts/pancake/disk-config.nix
new file mode 100644
index 0000000..1d3855b
--- /dev/null
+++ b/hosts/pancake/disk-config.nix
@@ -0,0 +1,33 @@
+{
+  disko.devices = {
+    disk = {
+      main = {
+        device = "/dev/mmcblk0";
+        type = "disk";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              type = "EF00";
+              size = "500M";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}