diff --git a/pkgs/os-specific/darwin/apple-sdk-11.0/default.nix b/pkgs/os-specific/darwin/apple-sdk-11.0/default.nix
index 889f484b0475..c3547aae44ed 100644
--- a/pkgs/os-specific/darwin/apple-sdk-11.0/default.nix
+++ b/pkgs/os-specific/darwin/apple-sdk-11.0/default.nix
@@ -277,7 +277,9 @@ stdenvs
   ] mkStub;
 
   callPackage = newScope (
-    lib.optionalAttrs stdenv.isDarwin stdenvs // { inherit (pkgs.darwin.apple_sdk_11_0) rustPlatform; }
+    lib.optionalAttrs stdenv.hostPlatform.isDarwin (
+      stdenvs // { inherit (pkgs.darwin.apple_sdk_11_0) rustPlatform; }
+    )
   );
 
   rustPlatform =