diff --git a/hardware-configuration.nix b/hardware-configuration.nix
index d19f13c..4795d77 100644
--- a/hardware-configuration.nix
+++ b/hardware-configuration.nix
@@ -3,4 +3,10 @@
   imports = [ "${modulesPath}/profiles/qemu-guest.nix" ];
   boot.loader.grub.device = "/dev/vda";
   fileSystems."/" = { device = "/dev/vda1"; fsType = "ext4"; };
+  swapDevices = [
+    {
+      device = "/var/lib/swapfile";
+      size = 2*1024;
+    }
+  ];
 }