diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index 8802a379581..495fd541770 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -140,6 +140,7 @@ let
     (optionalString (isGhcjs || versionOlder "7" ghc.version) (enableFeature enableStaticLibraries "library-vanilla"))
     (optionalString (isGhcjs || versionOlder "7.4" ghc.version) (enableFeature enableSharedExecutables "executable-dynamic"))
     (optionalString (isGhcjs || versionOlder "7" ghc.version) (enableFeature doCheck "tests"))
+    "--enable-library-for-ghci" # TODO: Should this be configurable?
   ] ++ optionals (enableDeadCodeElimination && (stdenv.lib.versionOlder "8.0.1" ghc.version)) [
      "--ghc-option=-split-sections"
   ] ++ optionals isGhcjs [