diff --git a/pkgs/development/haskell-modules/make-package-set.nix b/pkgs/development/haskell-modules/make-package-set.nix
index 33d56fa8e1ca..9912d1bcde28 100644
--- a/pkgs/development/haskell-modules/make-package-set.nix
+++ b/pkgs/development/haskell-modules/make-package-set.nix
@@ -120,7 +120,7 @@ let
       installPhase = ''
         export HOME="$TMP"
         mkdir -p "$out"
-        cabal2nix --compiler=${ghc.haskellCompilerName} --system=${stdenv.system} ${sha256Arg} "${src}" ${extraCabal2nixOptions} > "$out/default.nix"
+        cabal2nix --compiler=${ghc.haskellCompilerName} --system=${hostPlatform.system} ${sha256Arg} "${src}" ${extraCabal2nixOptions} > "$out/default.nix"
       '';
   };