diff --git a/flake.nix b/flake.nix
index ae2d7ae..98699e1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -47,7 +47,7 @@
           nix = true;
           optional = false;
           python = false;
-          r = false;
+          r = pkgs.lib.mkDefault false;
         };
 
         settings = {