diff --git a/macbuild.tool b/macbuild.tool
index 97f75c60..f09e049d 100755
--- a/macbuild.tool
+++ b/macbuild.tool
@@ -63,7 +63,7 @@ package() {
   cp -r "${selfdir}/UDK/OcSupportPkg/Utilities/Recovery" tmp/Utilities/ || exit 1
   cp -r "${selfdir}/UDK/OcSupportPkg/Utilities/BootInstall" tmp/Utilities/ || exit 1
   pushd tmp || exit 1
-  zip -qry ../"OpenCore-v${ver}-${2}.zip" * || exit 1
+  zip -qry -FS ../"OpenCore-v${ver}-${2}.zip" * || exit 1
   popd || exit 1
   rm -rf tmp || exit 1
   popd || exit 1