diff --git a/lib.nix b/lib.nix
index 78a5374..ad36379 100644
--- a/lib.nix
+++ b/lib.nix
@@ -216,6 +216,5 @@ in
   # useful aliases
   var = raw;
   vars = map raw;
-
-  inherit validString;
+  nf = namedField;
 }