diff --git a/common-headless.nix b/common-headless.nix
index 67963d0..e13d883 100644
--- a/common-headless.nix
+++ b/common-headless.nix
@@ -51,6 +51,8 @@
   virtualisation.lxd.recommendedSysctlSettings = true;
   virtualisation.lxc.lxcfs.enable = true;
 
+  systemd.enableUnifiedCgroupHierarchy = pkgs.lib.mkForce true;
+
   boot.kernel.sysctl = {
     "kernel.perf_event_paranoid" = "0";
     "kernel.kptr_restrict" = pkgs.lib.mkForce "0";