diff --git a/hosts/rainbow.nix b/hosts/rainbow.nix
index 9778c9f..c5f3ab5 100644
--- a/hosts/rainbow.nix
+++ b/hosts/rainbow.nix
@@ -38,7 +38,10 @@
       options = [ "subvol=@swap" ];
     };
 
-  swapDevices = [ ];
+  swapDevices = [{
+    device = "/swap/swapfile";
+    size = (1024 * 4); # RAM size + 2 GB
+  }];
 
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
   # (the default) this is the recommended approach. When using systemd-networkd it's