diff --git a/machines/alpheratz/disko.nix b/machines/alpheratz/disko.nix
index b5a01d8..a73ae29 100644
--- a/machines/alpheratz/disko.nix
+++ b/machines/alpheratz/disko.nix
@@ -1,7 +1,7 @@
 { ... }:
 let
   hashDisk = disk: "os-${builtins.substring 0 5 (builtins.hashString "sha256" disk)}";
-  os = "/dev/disk/by-id/FIXME";
+  os = "/dev/disk/by-id/mmc-CUTB42_0xaedcfa8b";
 in
 {
 
@@ -40,7 +40,7 @@ in
               };
             };
             swap = {
-              size = "8G";
+              size = "4G";
               content = {
                 type = "swap";
               };