diff --git a/pkgs/top-level/stage.nix b/pkgs/top-level/stage.nix
index d8e190cfd4b..f6e7f41ed88 100644
--- a/pkgs/top-level/stage.nix
+++ b/pkgs/top-level/stage.nix
@@ -110,8 +110,8 @@ let
   in {
     stdenv = super.stdenv // {
       inherit (buildPlatform) platform;
-    } // lib.optionalAttrs (targetPlatform != buildPlatform) {
-      cross = targetPlatform;
+    } // lib.optionalAttrs (hostPlatform != buildPlatform) {
+      cross = hostPlatform;
     };
     inherit (buildPlatform) system platform;
   };