diff --git a/pkgs/development/libraries/haskell/quickcheck-instances/default.nix b/pkgs/development/libraries/haskell/quickcheck-instances/default.nix
index d532a83015c..00ea65388fd 100644
--- a/pkgs/development/libraries/haskell/quickcheck-instances/default.nix
+++ b/pkgs/development/libraries/haskell/quickcheck-instances/default.nix
@@ -7,6 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [
     hashable QuickCheck text time unorderedContainers
   ];
+  jailbreak = true;
   meta = {
     homepage = "https://github.com/aslatter/qc-instances";
     description = "Common quickcheck instances";
@@ -14,5 +15,4 @@ cabal.mkDerivation (self: {
     platforms = self.ghc.meta.platforms;
     maintainers = [ self.stdenv.lib.maintainers.ocharles ];
   };
-  jailbreak = true;
 })