diff --git a/nixos/hosts/steamdeck/disks.nix b/nixos/hosts/steamdeck/disks.nix
index 3c49655c..5e45bfc1 100644
--- a/nixos/hosts/steamdeck/disks.nix
+++ b/nixos/hosts/steamdeck/disks.nix
@@ -54,18 +54,13 @@
       content = { 
         type = "gpt";
         partitions = { 
-          SD_CARD = { 
-            start = "0%";
-            end = "100%";
+          SDCARD = { 
+            size = "100%";
             content = {
               type = "btrfs";
               extraArgs = [ "-f" ];
-              subvolumes = {
-                "/sd_card" = {
-                  mountpoint = "/sd_card";
-                  mountOptions = [ "compress=none" "noatime" ];
-                }; # sd_card
-              }; # subvolumes
+              mountpoint = "/sdcard";
+              mountOptions = [ "compress=zstd" "noatime" ];
             }; # content
           }; # partition 2 (SD_CARD BTRFS)
         }; # partitions