diff --git a/hosts/common/disks/zfs/zspeed.nix b/hosts/common/disks/zfs/zspeed.nix
index ead5709..9133e71 100644
--- a/hosts/common/disks/zfs/zspeed.nix
+++ b/hosts/common/disks/zfs/zspeed.nix
@@ -53,14 +53,11 @@
           postgres = {
             type = "zfs_volume";
             size = "10G -s";
-            options = {
-              "com.sun:auto-snapshot:daily" = "true";
-              "volblocksize" = "8k";
+            content = {
+              type = "filesystem";
+              format = "btrfs";
+              mountpoint = "/postgres";
             };
-          };
-          lxc = {
-            type = "zfs_volume";
-            size = "10G -s";
             options = {
               "com.sun:auto-snapshot:daily" = "true";
               "volblocksize" = "8k";