diff --git a/lib.nix b/lib.nix
index 9c04855cf084693f15720f983bb37099425a536b..6d2e752bfe61ced1cf3d49cc22f2839dd183df29 100644
--- a/lib.nix
+++ b/lib.nix
@@ -150,7 +150,7 @@ rec {
           text = ''
             set -x
             sdist=$(cabal sdist | tail -n 1)
-            haddocks=$(cabal haddock --haddock-for-hackage | tail -n 1)
+            haddocks=$(cabal haddock --enable-doc --haddock-for-hackage | tail -n 1)
             cabal upload "$@" "$sdist"
             cabal upload "$@" --documentation "$haddocks"
           '';