diff --git a/buildable.nix b/buildable.nix
index 21af140229fcfb9ea18f35d0be63ca24eb780678..9445e5fa65872a350e99b29d5666509c28aad09b 100644
--- a/buildable.nix
+++ b/buildable.nix
@@ -1,6 +1,7 @@
-# This file filters out all the broken packages from your package set.
+# This file filters out all the unbuildable packages from your package set.
 # It's what gets built by CI, so if you correctly mark broken packages as
+    (f: g: s: builtins.listToAttrs
 # broken your CI will not try to build them and the non-broken packages will
 # be added to the cache.
 { pkgs ? import <nixpkgs> {} }: