diff --git a/pkgs/development/libraries/haskell/dataenc/default.nix b/pkgs/development/libraries/haskell/dataenc/default.nix
index 9c4de4a1b84..6eda9ca3c43 100644
--- a/pkgs/development/libraries/haskell/dataenc/default.nix
+++ b/pkgs/development/libraries/haskell/dataenc/default.nix
@@ -6,6 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "13gajqbayar7x8sq3rw93i277gqd0bx1i34spshlj4b41fraxc8w";
   isLibrary = true;
   isExecutable = true;
+  jailbreak = true;
   meta = {
     homepage = "http://www.haskell.org/haskellwiki/Library/Data_encoding";
     description = "Data encoding library";