diff --git a/hosts/leonard/hardware-configuration.nix b/hosts/leonard/hardware-configuration.nix
index 4847b2f..79278a2 100644
--- a/hosts/leonard/hardware-configuration.nix
+++ b/hosts/leonard/hardware-configuration.nix
@@ -15,7 +15,10 @@
       fsType = "ext4";
     };
 
-  swapDevices = [ ]; # TODO
+  swapDevices = [ {
+    device = "/swapfile";
+    size = 4*1024;
+  } ];
 
   networking.useDHCP = lib.mkDefault false;
   # networking.interfaces.ens18.useDHCP = lib.mkDefault true;