diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
index 12f433c4a2c..9a05a251137 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
@@ -101,7 +101,8 @@ self: super: {
   # Test suite fails in "/tokens_bytestring_unicode.g.bin".
   alex = dontCheck super.alex;
 
-  # TODO: update generation code in cabal2nix
+  # https://github.com/haskell/haddock/issues/378
+  haddock-library_1_2_0 = dontCheck super.haddock-library_1_2_0;
   haddock-library = self.haddock-library_1_2_0;
 
   # Upstream was notified about the over-specified constraint on 'base'