diff --git a/devices/xmupc2/default.nix b/devices/xmupc2/default.nix
index 2096b641..f5a00ae8 100644
--- a/devices/xmupc2/default.nix
+++ b/devices/xmupc2/default.nix
@@ -96,5 +96,6 @@ inputs:
       bugs = [ "xmunet" ];
       user.users = [ "chn" "xll" "zem" "yjq" "gb" ];
     };
+    powerManagement.cpuFreqGovernor = "ondemand";
   };
 }