diff --git a/pkgs/development/libraries/haskell/hakyll/default.nix b/pkgs/development/libraries/haskell/hakyll/default.nix
index c9a1d694c786..093a92dd16ec 100644
--- a/pkgs/development/libraries/haskell/hakyll/default.nix
+++ b/pkgs/development/libraries/haskell/hakyll/default.nix
@@ -12,6 +12,7 @@ cabal.mkDerivation (self: {
     lrucache mtl pandoc parsec regexBase regexTdfa snapCore snapServer
     tagsoup text time
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://jaspervdj.be/hakyll";
     description = "A static website compiler library";