diff --git a/hosts/servers/dionysus/default.nix b/hosts/servers/dionysus/default.nix
index 1e35904..838b1e0 100644
--- a/hosts/servers/dionysus/default.nix
+++ b/hosts/servers/dionysus/default.nix
@@ -10,6 +10,7 @@
     systemd-boot.enable = true;
     efi.canTouchEfiVariables = true;
   };
+  boot.kernelParams = [ "processor.max_cstate=2" ]
 
   fileSystems."/" = {
     device = "/dev/disk/by-uuid/c68b883a-7391-4433-ae9b-7f6db13d21c9";