diff --git a/pkgs/development/libraries/haskell/diagrams/contrib.nix b/pkgs/development/libraries/haskell/diagrams/contrib.nix
index 832617d64b7..e91ed955ca9 100644
--- a/pkgs/development/libraries/haskell/diagrams/contrib.nix
+++ b/pkgs/development/libraries/haskell/diagrams/contrib.nix
@@ -20,6 +20,7 @@ cabal.mkDerivation (self: {
     diagramsLib HUnit QuickCheck testFramework testFrameworkHunit
     testFrameworkQuickcheck2
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://projects.haskell.org/diagrams/";
     description = "Collection of user contributions to diagrams EDSL";