diff --git a/hosts/aarch64-linux/wg-rpi.nix b/hosts/aarch64-linux/wg-rpi.nix
index 5d16bb0..e9adb98 100644
--- a/hosts/aarch64-linux/wg-rpi.nix
+++ b/hosts/aarch64-linux/wg-rpi.nix
@@ -11,6 +11,8 @@ let
   hostname = "wg-rpi";
 in
 {
+  custom.services.nixCacheClient.enable = true;
+
   sops.secrets = {
     priv-netflix-wg = {
       sopsFile = ../../secrets/wg-rpi.yaml;
diff --git a/hosts/x86_64-linux/installer.nix b/hosts/x86_64-linux/installer.nix
index 7a4cb78..776852c 100644
--- a/hosts/x86_64-linux/installer.nix
+++ b/hosts/x86_64-linux/installer.nix
@@ -4,6 +4,7 @@
     "${nixpkgs-flake}/nixos/modules/installer/cd-dvd/installation-cd-graphical-combined.nix"
   ];
 
+  custom.services.nixCacheClient.enable = true;
   boot.supportedFilesystems.zfs = lib.mkForce true;
   services.qemuGuest.enable = true;
   isoImage.squashfsCompression = "gzip -Xcompression-level 1";