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 e26b5a28860..2971af0d2a3 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
@@ -89,6 +89,9 @@ self: super: {
   configuration-tools = markBroken super.configuration-tools;
   yet-another-logger = markBroken super.yet-another-logger;
 
+  # Needs mtl 2.2.x.
+  hypher = markBroken super.hypher;
+
 }
 
 // # packages relating to amazonka