diff --git a/flake.nix b/flake.nix
index 6ca72b919d3a6014abccea30181d071d51205b5a..c01cdda2fd2759cdd2953dfd5a90b46a48e1db00 100644
--- a/flake.nix
+++ b/flake.nix
@@ -84,7 +84,7 @@
             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"
             '';