diff --git a/modules/holocron/copyparty/default.nix b/modules/holocron/copyparty/default.nix
index 934d9b2..8bcf9ad 100644
--- a/modules/holocron/copyparty/default.nix
+++ b/modules/holocron/copyparty/default.nix
@@ -44,6 +44,7 @@ in {
   };
 
   config = lib.mkIf cfg.enable {
+    nixpkgs.overlays = [inputs.copyparty.overlays.default];
     # declare ${service} group
     users.groups.${service} = {
       gid = lib.mkForce cfg.ids;
@@ -57,7 +58,7 @@ in {
       home = cfg.data_dir;
       createHome = true;
       group = service;
-      extraGroups = [];
+      extraGroups = [ "media" "blake"  ];
     };
 
     # enable the ${service} service
diff --git a/modules/holocron/default.nix b/modules/holocron/default.nix
index 91f6951..46296cb 100644
--- a/modules/holocron/default.nix
+++ b/modules/holocron/default.nix
@@ -13,5 +13,4 @@
     ./copyparty
   ];
 
-  nixpkgs.overlays = [inputs.copyparty.overlays.default];
 }
diff --git a/modules/system/backups/default.nix b/modules/system/backups/default.nix
index 93fdfe8..2518a7b 100644
--- a/modules/system/backups/default.nix
+++ b/modules/system/backups/default.nix
@@ -148,7 +148,7 @@ in
     };
 
     # install borg binary
-    environment.systemPackages = with pkgs; [ borgbackup ];
+    environment.systemPackages = with pkgs; [ borgbackup tree ];
 
     # declare secret for repo password
     sops.secrets = {