diff --git a/pkgs/development/libraries/haskell/wai-websockets/default.nix b/pkgs/development/libraries/haskell/wai-websockets/default.nix
index a60a6e9dda01..bd6bb7e98d45 100644
--- a/pkgs/development/libraries/haskell/wai-websockets/default.nix
+++ b/pkgs/development/libraries/haskell/wai-websockets/default.nix
@@ -15,6 +15,7 @@ cabal.mkDerivation (self: {
     blazeBuilder caseInsensitive fileEmbed httpTypes ioStreams network
     text transformers wai waiAppStatic warp websockets
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://github.com/yesodweb/wai";
     description = "Provide a bridge betweeen WAI and the websockets package";