diff --git a/pkgs/development/libraries/haskell/parsec/3.1.4.nix b/pkgs/development/libraries/haskell/parsec/3.1.4.nix
index 82032dda61c..b4d318baa34 100644
--- a/pkgs/development/libraries/haskell/parsec/3.1.4.nix
+++ b/pkgs/development/libraries/haskell/parsec/3.1.4.nix
@@ -5,6 +5,7 @@ cabal.mkDerivation (self: {
   version = "3.1.4";
   sha256 = "0milmi4q5jdcmmwjqa4lcs1vcw5frkrlrxc8q17lkas3p2m10kh5";
   buildDepends = [ mtl text ];
+  jailbreak = true;
   meta = {
     homepage = "http://www.cs.uu.nl/~daan/parsec.html";
     description = "Monadic parser combinators";