diff --git a/pkgs/development/libraries/haskell/digestive-functors-heist/default.nix b/pkgs/development/libraries/haskell/digestive-functors-heist/default.nix
index e2dc195b196..460154c70f0 100644
--- a/pkgs/development/libraries/haskell/digestive-functors-heist/default.nix
+++ b/pkgs/development/libraries/haskell/digestive-functors-heist/default.nix
@@ -8,6 +8,7 @@ cabal.mkDerivation (self: {
   buildDepends = [
     blazeBuilder digestiveFunctors heist mtl text xmlhtml
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://github.com/jaspervdj/digestive-functors";
     description = "Heist frontend for the digestive-functors library";