diff --git a/hardware/rpi4.nix b/hardware/rpi4.nix
index 66f8994..46325c4 100644
--- a/hardware/rpi4.nix
+++ b/hardware/rpi4.nix
@@ -31,7 +31,10 @@
     options = [ "subvol=@snapshots" "compress-force=zstd" "noatime" ];
   };
 
-  swapDevices = [ ];
+  swapDevices = [{
+    device = "/swapfile";
+    size = 4096;
+  }];
 
   powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
 }