diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 91f3ebf4f0c3..24e3787c5023 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -142,7 +142,8 @@ let
   # Override system. This is useful to build i686 packages on x86_64-linux.
   forceSystem = system: (import ./all-packages.nix) {
     inherit system;
-    inherit bootStdenv noSysDirs gccWithCC gccWithProfiling config;
+    inherit bootStdenv noSysDirs gccWithCC gccWithProfiling config
+      crossSystem platform;
   };