diff --git a/nixos/hosts/steamdeck/disks.nix b/nixos/hosts/steamdeck/disks.nix
index 0bff95eb..c817c26b 100644
--- a/nixos/hosts/steamdeck/disks.nix
+++ b/nixos/hosts/steamdeck/disks.nix
@@ -2,7 +2,7 @@
   services.btrfs.autoScrub.enable = true;
   services.btrfs.autoScrub.interval = "weekly";
 
-  disko.devices = {
+  disko.devices.disk = {
     nvme0 = {
       type = "disk";
       device = "/dev/nvme0n1";
@@ -49,7 +49,7 @@
       }; # content
     }; # disko.devices.disk.nvme0
 
-    disk = {
+    mmcblk0 = {
       type = "disk";
       device = "/dev/mmcblk0";
       content = {