diff --git a/nki-personal-do/hardware-configuration.nix b/nki-personal-do/hardware-configuration.nix
index ab775dc..5439ae1 100644
--- a/nki-personal-do/hardware-configuration.nix
+++ b/nki-personal-do/hardware-configuration.nix
@@ -4,4 +4,7 @@
   boot.loader.grub.device = "/dev/vda";
   boot.initrd.kernelModules = [ "nvme" ];
   fileSystems."/" = { device = "/dev/vda1"; fsType = "ext4"; };
+
+  # swap
+  swapDevices = [ { device = "/var/swapfile"; } ];
 }