diff --git a/pkgs/development/libraries/haskell/snap/server.nix b/pkgs/development/libraries/haskell/snap/server.nix
index 4971fec3b1d8..c17b8e50e616 100644
--- a/pkgs/development/libraries/haskell/snap/server.nix
+++ b/pkgs/development/libraries/haskell/snap/server.nix
@@ -14,6 +14,7 @@ cabal.mkDerivation (self: {
     filepath MonadCatchIOTransformers mtl network snapCore text time
     transformers unixCompat
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://snapframework.com/";
     description = "A fast, iteratee-based, epoll-enabled web server for the Snap Framework";