diff --git a/hosts/kazuki/attic.nix b/hosts/kazuki/attic.nix
index 3f806c3..920a2f0 100644
--- a/hosts/kazuki/attic.nix
+++ b/hosts/kazuki/attic.nix
@@ -21,7 +21,7 @@ in {
       listen = "[::]:${toString atticPort}";
       storage = {
         type = "local";
-        path = "/storage-box/attic";
+        path = "/storage-box";
       };
       compression.type = "zstd";
       chunking = {
@@ -37,12 +37,15 @@ in {
 
   users = {
     users.atticd = {
+      uid = 990;
       isSystemUser = true;
       group = "atticd";
       home = "/var/lib/atticd";
       createHome = true;
     };
-    groups.atticd = {};
+    groups.atticd = {
+      gid = 988;
+    };
   };
 
   systemd.services.atticd = {
diff --git a/hosts/kazuki/storage.nix b/hosts/kazuki/storage.nix
index 05d187f..bef3cd3 100644
--- a/hosts/kazuki/storage.nix
+++ b/hosts/kazuki/storage.nix
@@ -18,6 +18,8 @@
       "x-systemd.idle-timeout=60"
       "x-systemd.device-timeout=5s"
       "x-systemd.mount-timeout=5s"
+      "uid=${toString config.users.users.atticd.uid}"
+      "gid=${toString config.users.groups.atticd.gid}"
       "credentials=${config.age.secrets.storage-box-creds.path}"
     ];
   };