diff --git a/spec/eientei/default.nix b/spec/eientei/default.nix
index b463819b..1a206e6b 100644
--- a/spec/eientei/default.nix
+++ b/spec/eientei/default.nix
@@ -16,7 +16,7 @@
   };
 
   powerManagement.enable = true;
-  powerManagement.cpuFreqGovernor = "performance";
+  powerManagement.cpuFreqGovernor = "powersave";
   boot.kernelParams = [ "zfs.zfs_arc_max=34359738368" ];
   boot.loader.timeout = 2;