diff --git a/hosts/biolimo/hardware-configuration.nix b/hosts/biolimo/hardware-configuration.nix
index 214a5de4..309bb376 100644
--- a/hosts/biolimo/hardware-configuration.nix
+++ b/hosts/biolimo/hardware-configuration.nix
@@ -4,31 +4,33 @@
 { config, lib, pkgs, modulesPath, ... }:
 
 {
-  imports =
-    [
-      (modulesPath + "/installer/scan/not-detected.nix")
-    ];
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
 
   boot.initrd.availableKernelModules = [ "xhci_pci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
 
-  fileSystems."/" =
-    {
-      device = "/dev/disk/by-uuid/abc3fe04-368e-46eb-8c7a-3a829bb2deab";
-      fsType = "ext4";
-    };
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/abc3fe04-368e-46eb-8c7a-3a829bb2deab";
+    fsType = "ext4";
+  };
 
   boot.initrd.luks.devices."cryptroot".device = "/dev/disk/by-uuid/aed21f8d-8e15-4f43-8710-460cb36d488b";
 
-  fileSystems."/boot" =
-    {
-      device = "/dev/disk/by-uuid/3B67-0CAB";
-      fsType = "vfat";
-    };
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/3B67-0CAB";
+    fsType = "vfat";
+  };
 
-  swapDevices = [ ];
+  swapDevices = [
+    {
+      device = "/swapfile";
+      size = 18 * 1024;  # 18 GB
+    }
+  ];
 
   powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
   # high-resolution display
diff --git a/hosts/chocolatebar/hardware-configuration.nix b/hosts/chocolatebar/hardware-configuration.nix
index a87bda5c..7437b2dd 100644
--- a/hosts/chocolatebar/hardware-configuration.nix
+++ b/hosts/chocolatebar/hardware-configuration.nix
@@ -28,6 +28,11 @@
       fsType = "vfat";
     };
 
-  swapDevices = [ ];
+  swapDevices = [
+    {
+      device = "/swapfile";
+      size = 68 * 1024; # 68 GB
+    }
+  ];
 
 }