diff --git a/pkgs/top-level/pkg-config/tests.nix b/pkgs/top-level/pkg-config/tests.nix
index bcc8e7b4ee3e..ec1d445c5903 100644
--- a/pkgs/top-level/pkg-config/tests.nix
+++ b/pkgs/top-level/pkg-config/tests.nix
@@ -9,7 +9,7 @@ let
   # unsupported platform problems.
   allPkgs = import ../default.nix {
     system = stdenv.hostPlatform.system;
-    localSystem = stdenv.hostPlatform.system;
+    localSystem = stdenv.buildPlatform.system;
     config = {
       allowUnsupportedSystem = true;
     };