diff --git a/2configs/share/temp-share-samba.nix b/2configs/share/temp-share-samba.nix
index 56beb5b..bcfddc1 100644
--- a/2configs/share/temp-share-samba.nix
+++ b/2configs/share/temp-share-samba.nix
@@ -13,7 +13,9 @@
     description = "smb guest user";
     home = "/home/share";
     createHome = true;
+    group = "smbguest";
   };
+  users.groups.smbguest = {};
   services.samba = {
     enable = true;
     shares = {
diff --git a/2configs/share/wbob.nix b/2configs/share/wbob.nix
index f2c36b5..9e5f8dd 100644
--- a/2configs/share/wbob.nix
+++ b/2configs/share/wbob.nix
@@ -7,7 +7,9 @@
     description = "smb guest user";
     home = "/home/share";
     createHome = true;
+    group = "smbguest";
   };
+  users.groups.smbguest = {};
   users.groups.mpd.members = [ "makefu" ];
   services.samba = {
     enable = true;
diff --git a/2configs/stats/arafetch.nix b/2configs/stats/arafetch.nix
index c8ccbfb..0ea05e7 100644
--- a/2configs/stats/arafetch.nix
+++ b/2configs/stats/arafetch.nix
@@ -24,7 +24,9 @@ in {
     inherit home;
     createHome = true;
     isSystemUser = true;
+    group = "arafetch";
   };
+  users.groups.arafetch = {};
 
   systemd.services.ara2mqtt = {
     startAt = "05:00:00";
diff --git a/3modules/ps3netsrv.nix b/3modules/ps3netsrv.nix
index 3007043..bb2abd9 100644
--- a/3modules/ps3netsrv.nix
+++ b/3modules/ps3netsrv.nix
@@ -51,6 +51,7 @@ let
     users.users.ps3netsrv = {
       uid = genid "ps3netsrv";
       isSystemUser = true;
+      group = "ps3netsrv";
     };
     users.groups.ps3netsrv.gid = genid "ps3netsrv";
   };