diff --git a/hosts/pn02/configuration.nix b/hosts/pn02/configuration.nix
index 0e719e2..9d2fb63 100644
--- a/hosts/pn02/configuration.nix
+++ b/hosts/pn02/configuration.nix
@@ -14,7 +14,7 @@
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
   boot.blacklistedKernelModules = [ "amdgpu" ];
-  boot.kernelParams = [ "panic=10" "nmi_watchdog=1" ];
+  boot.kernelParams = [ "panic=10" "nmi_watchdog=1" "processor.max_cstate=1" ];
   boot.kernel.sysctl."kernel.softlockup_panic" = 1;
   boot.kernel.sysctl."kernel.hardlockup_panic" = 1;