diff --git a/pkgs/development/libraries/haskell/benchpress/default.nix b/pkgs/development/libraries/haskell/benchpress/default.nix
index c80f04f966db..9218e50b7672 100644
--- a/pkgs/development/libraries/haskell/benchpress/default.nix
+++ b/pkgs/development/libraries/haskell/benchpress/default.nix
@@ -5,6 +5,7 @@ cabal.mkDerivation (self: {
   version = "0.2.2.6";
   sha256 = "19ygaf2g4yqkfbc6bw6fmf9jsymbj1iallzvl0zw3vjx860rchfg";
   buildDepends = [ mtl time ];
+  jailbreak = true;
   meta = {
     homepage = "http://github.com/tibbe/benchpress";
     description = "Micro-benchmarking with detailed statistics";