diff --git a/module.nix b/module.nix
index c2ffe03..64053f8 100644
--- a/module.nix
+++ b/module.nix
@@ -56,6 +56,10 @@ in
       };
     };
 
+    users.groups = mkIf (cfg.group == "satnogs-demo") {
+      satnogs-demo = { };
+    };
+
     systemd.tmpfiles.rules = [
       "d '${cfg.stateDir}' 0750 ${cfg.user} ${cfg.group} - -"
     ];