diff --git a/systems/ceres/config/filesystem.nix b/systems/ceres/config/filesystem.nix
index 184f43c..842ab14 100755
--- a/systems/ceres/config/filesystem.nix
+++ b/systems/ceres/config/filesystem.nix
@@ -36,13 +36,13 @@ in
     };
   };
 
-  boot.initrd.postResumeCommands = lib.mkAfter ''
-    mkdir -p /btrfs_tmp
-    mount -o subvol=/ /dev/disk/by-label/root /btrfs_tmp
+  postResumeCommands = lib.mkAfter ''
+    mkdir /btrfs_tmp
+    mount -o subvolid=5 /dev/sdb2 /btrfs_tmp
 
     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")
+        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
 
@@ -54,7 +54,7 @@ in
         btrfs subvolume delete "$1"
     }
 
-    for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30 2>/dev/null); do
+    for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do
         delete_subvolume_recursively "$i"
     done