diff --git a/systems/ceres/config/filesystem.nix b/systems/ceres/config/filesystem.nix
index ef0b7c4..184f43c 100755
--- a/systems/ceres/config/filesystem.nix
+++ b/systems/ceres/config/filesystem.nix
@@ -40,10 +40,10 @@ in
     mkdir -p /btrfs_tmp
     mount -o subvol=/ /dev/disk/by-label/root /btrfs_tmp
 
-    if [[ -e /btrfs_tmp/@ ]]; then
-        mkdir -p /btrfs_tmp/@old_roots
-        timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/@)" "+%Y-%m-%d_%H:%M:%S")
-        mv /btrfs_tmp/@ "/btrfs_tmp/@old_roots/$timestamp"
+    if [[ -e /btrfs_tmp/root ]]; then
+        mkdir -p /btrfs_tmp/old_roots
+        timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%d_%H:%M:%S")
+        mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
     fi
 
     delete_subvolume_recursively() {
@@ -54,11 +54,11 @@ in
         btrfs subvolume delete "$1"
     }
 
-    for i in $(find /btrfs_tmp/@old_roots/ -maxdepth 1 -mtime +30 2>/dev/null); do
+    for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30 2>/dev/null); do
         delete_subvolume_recursively "$i"
     done
 
-    btrfs subvolume create /btrfs_tmp/@
+    btrfs subvolume create /btrfs_tmp/root
     umount /btrfs_tmp
   '';