diff --git a/modules/nixos/bootloader.nix b/modules/nixos/bootloader.nix
index c80e0d8..910b8d4 100644
--- a/modules/nixos/bootloader.nix
+++ b/modules/nixos/bootloader.nix
@@ -17,7 +17,7 @@
   };
 
   # kernel options
-  boot.kernelParams = [ "quiet" "acpi.debug_level=0"];
+  boot.kernelParams = [ "quiet" "acpi.debug_level=0" "mem_sleep_default=s2idle" ];
   boot.kernelPackages = pkgs.linuxPackages_latest;
   boot.consoleLogLevel = 2;