diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
index a2fc31d4db41..4030674fea2a 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
@@ -145,5 +145,6 @@ self: super: {
     url = "https://raw.githubusercontent.com/hvr/head.hackage/master/patches/hedgehog-0.6.1.patch";
     sha256 = "04xwznd3lfgracfz68ls6vfm19rhq8fb74r6ii0grpv6cx4rr21i";
   });
+  easytest = self.easytest_0_3;
 
 }