diff --git a/krebs/3modules/htgen.nix b/krebs/3modules/htgen.nix
index 517dad76f..4221703ec 100644
--- a/krebs/3modules/htgen.nix
+++ b/krebs/3modules/htgen.nix
@@ -69,10 +69,13 @@ let
     users.users = mapAttrs' (name: htgen:
       nameValuePair htgen.user.name {
         inherit (htgen.user) home name uid;
+        group = htgen.user.name;
         createHome = true;
         isSystemUser = true;
       }
     ) cfg;
 
+    users.groups = mapAttrs (_: _: {}) cfg;
+
   };
 in out