diff --git a/pkgs/default.nix b/pkgs/default.nix
index e19b439c..a79f934f 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -39,6 +39,7 @@ pkgs {
         path = ./..;
         filter = (path: type:
           let basePath = baseNameOf path; in
+          (null != builtins.match ((toString ./..) + "(/info.rkt|/(modules|edges|nodes)(/rkt(/.*)?)?)") path) &&
           (type != "symlink" || null == builtins.match "result.*" basePath) &&
           (null == builtins.match ".*[.]nix" basePath) &&
           (null == builtins.match "[.].*[.]swp" basePath) &&