diff --git a/hosts/common/seaweedfs_lib.nix b/hosts/common/seaweedfs_lib.nix
index d17aa5b..00b365d 100644
--- a/hosts/common/seaweedfs_lib.nix
+++ b/hosts/common/seaweedfs_lib.nix
@@ -135,8 +135,9 @@ in {
     users.users.${user} = {
       description = "SeaweedFS user";
       isSystemUser = true;
+      uid = 10000;
     };
-    users.groups.${group} = { };
+    users.groups.${group}.gid = 10000;
     systemd.services = (mapAttrs' mkVolumeService enabledVolumes) // {
       seaweedfs-master = mkIf cfg.master.enable {
         wantedBy = [ "multi-user.target" ];