diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix index 7c729138ff5..74dcb24ec77 100644 --- a/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix +++ b/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix @@ -71,6 +71,9 @@ self: super: { seqid = super.seqid_0_1_0; seqid-streams = super.seqid-streams_0_1_0; + # https://github.com/ivan-m/monad-levels/issues/1 + monad-levels = dontDistribute super.monad-levels; + } // # packages relating to amazonka