diff --git a/folder_zipper.gd b/folder_zipper.gd
index a0fa39cc..1040fcda 100644
--- a/folder_zipper.gd
+++ b/folder_zipper.gd
@@ -4,7 +4,7 @@ extends ZIPPacker
 
 func _should_skip_path(path: String) -> bool:
 	# Skip hidden metadata entries generated by macOS Finder inside __MACOSX folders.
-	return path.begins_with("__MACOSX/") or path.contains("/__MACOSX/")
+	return path.to_upper().contains("__MACOSX")
 
 
 func write_folder_recursive(abs_path: String, rel_path: String) -> Error: