diff --git a/pkgs/development/libraries/haskell/cheapskate/default.nix b/pkgs/development/libraries/haskell/cheapskate/default.nix
index 9ad35360fe64..e3b13cdd8069 100644
--- a/pkgs/development/libraries/haskell/cheapskate/default.nix
+++ b/pkgs/development/libraries/haskell/cheapskate/default.nix
@@ -13,6 +13,7 @@ cabal.mkDerivation (self: {
   buildDepends = [
     blazeHtml dataDefault mtl syb text uniplate xssSanitize
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://github.com/jgm/cheapskate";
     description = "Experimental markdown processor";