diff --git a/systems/zeus/hardware-configuration.nix b/systems/zeus/hardware-configuration.nix
index cc8c7f6..cb452e0 100644
--- a/systems/zeus/hardware-configuration.nix
+++ b/systems/zeus/hardware-configuration.nix
@@ -42,6 +42,11 @@
     fsType = "zfs";
   };
 
+  fileSystems."/boot-spare" = {
+    device = "/dev/disk/by-id/ata-WDC_WD10EFRX-68FYTN0_WD-WCC4J0KJRXHJ-part1";
+    fsType = "vfat";
+  };
+
   swapDevices = [
     { device = "/dev/disk/by-uuid/aecf6400-9c9f-43f9-8c57-08f3c8a633e7"; }
     { device = "/dev/disk/by-uuid/3fca7d18-441c-4f39-adad-ffd882b1f210"; }