diff --git a/pkgs/development/haskell-modules/default.nix b/pkgs/development/haskell-modules/default.nix
index 673099e0dc49..ef73e47f537e 100644
--- a/pkgs/development/haskell-modules/default.nix
+++ b/pkgs/development/haskell-modules/default.nix
@@ -14,7 +14,10 @@ let
       mkDerivation = pkgs.callPackage ./generic-builder.nix {
         inherit stdenv;
         inherit (pkgs) fetchurl pkgconfig glibcLocales coreutils gnugrep gnused;
-        inherit (self) ghc jailbreak-cabal;
+        jailbreak-cabal = if (self.ghc.cross or null) != null
+          then self.ghc.bootPkgs.jailbreak-cabal
+          else self.jailbreak-cabal;
+        inherit (self) ghc;
         hscolour = overrideCabal self.hscolour (drv: {
           isLibrary = false;
           doHaddock = false;
diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index 092d4ae45242..a7696dfc2e31 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -94,6 +94,7 @@ let
     "--with-gcc=${ghc.cc}"
     "--with-ld=${ghc.ld}"
     "--hsc2hs-options=--cross-compile"
+    "--with-hsc2hs=${nativeGhc}/bin/hsc2hs"
   ];
 
   crossCabalFlagsString =