diff --git a/systems/kami/hardware.nix b/systems/kami/hardware.nix
index 933fb76..b3a57e9 100644
--- a/systems/kami/hardware.nix
+++ b/systems/kami/hardware.nix
@@ -29,7 +29,7 @@
     "/" = {
       device = "/dev/disk/by-uuid/99a47ace-7e69-4520-b914-d4fe5b31dc79";
       fsType = "btrfs";
-      options = [ "subvol=@" ];
+      options = [ "subvol=@" "compress=zstd:8" ];
     };
     "/boot/efi" = {
       device = "/dev/disk/by-uuid/1F26-8168";