diff --git a/pkgs/development/libraries/haskell/engine-io/default.nix b/pkgs/development/libraries/haskell/engine-io/default.nix
index fd21d94cdf72..ad9ec40fb6ea 100644
--- a/pkgs/development/libraries/haskell/engine-io/default.nix
+++ b/pkgs/development/libraries/haskell/engine-io/default.nix
@@ -13,6 +13,7 @@ cabal.mkDerivation (self: {
     aeson async attoparsec base64Bytestring either monadLoops mwcRandom
     stm text transformers unorderedContainers vector websockets
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://github.com/ocharles/engine.io";
     description = "A Haskell implementation of Engine.IO";