diff --git a/pkgs/development/libraries/haskell/bytestring-progress/default.nix b/pkgs/development/libraries/haskell/bytestring-progress/default.nix
index c73932b3760..f943f4cd729 100644
--- a/pkgs/development/libraries/haskell/bytestring-progress/default.nix
+++ b/pkgs/development/libraries/haskell/bytestring-progress/default.nix
@@ -5,6 +5,7 @@ cabal.mkDerivation (self: {
   version = "1.0.3";
   sha256 = "1v9cl7d4fcchbdrpbgjj4ilg79cj241vzijiifdsgkq30ikv2yxs";
   buildDepends = [ terminalProgressBar time ];
+  noHaddock = true; # fails to build with a parse error
   meta = {
     homepage = "http://github.com/acw/bytestring-progress";
     description = "A library for tracking the consumption of a lazy ByteString";