diff --git a/core/system/hibernate.nix b/core/system/hibernate.nix
index ce19b2e..fa09859 100644
--- a/core/system/hibernate.nix
+++ b/core/system/hibernate.nix
@@ -15,9 +15,9 @@ in
       settings.Login = {
         HandleLidSwitch = lib.mkDefault "suspend-then-hibernate";
         HandleLidSwitchExternalPower = lib.mkDefault "suspend";
-        HandlePowerKey = "hibernate";
-        IdleAction = "suspend-then-hibernate";
-        IdleActionSec = toString (cfg.idleMinutes * 60);
+        HandlePowerKey = lib.mkDefault "hibernate";
+        IdleAction = lib.mkDefault "suspend-then-hibernate";
+        IdleActionSec = lib.mkDefault (toString (cfg.idleMinutes * 60));
       };
     };
   };