diff --git a/tools/hxcpp/BuildTool.hx b/tools/hxcpp/BuildTool.hx
index ec9c8ac5a..02aff3af3 100644
--- a/tools/hxcpp/BuildTool.hx
+++ b/tools/hxcpp/BuildTool.hx
@@ -2159,7 +2159,15 @@ class BuildTool
       {
          set64(defines,m64, arm64);
          // Cross-compile?
-         if (defines.exists("linux"))
+         if (defines.exists("windows"))
+         {
+            defines.set("mac_host","1");
+            defines.set("mingw", "mingw");
+            defines.set("toolchain","mingw");
+            defines.set("xcompile","1");
+            defines.set("BINDIR", arm64 ? "WindowsArm64" : m64 ? "Windows64":"Windows");
+         }
+         else if (defines.exists("linux"))
          {
             defines.set("mac_host","1");
             defines.set("linux","linux");