diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix
index 5a84b4339e2..f9b9560bf14 100644
--- a/pkgs/top-level/haskell-defaults.nix
+++ b/pkgs/top-level/haskell-defaults.nix
@@ -413,7 +413,7 @@
   # Reasonably current HEAD snapshot. Should *always* be lowPrio.
   packages_ghcHEAD =
     packages { ghcPath = ../development/compilers/ghc/head.nix;
-               ghcBinary = ghc742Binary;
+               ghcBinary = pkgs.haskellPackages.ghcPlain;
                prefFun = ghcHEADPrefs;
                extraArgs = {
                  happy = pkgs.haskellPackages.happy_1_19_2;