diff --git a/nixos/modules/services/hardware/sane.nix b/nixos/modules/services/hardware/sane.nix
index e5a01a8a27d..8c1bde7b415 100644
--- a/nixos/modules/services/hardware/sane.nix
+++ b/nixos/modules/services/hardware/sane.nix
@@ -163,6 +163,7 @@ in
       users.users.scanner = {
         uid = config.ids.uids.scanner;
         group = "scanner";
+        extraGroups = [ "lp" ] ++ optionals config.services.avahi.enable [ "avahi" ];
       };
     })
   ];