diff --git a/bindings/python/convert.py b/bindings/python/convert.py
index 164f8f5b..3a2e4d1f 100644
--- a/bindings/python/convert.py
+++ b/bindings/python/convert.py
@@ -156,7 +156,7 @@ def convert_multi(
     local_filenames.append(index)
 
     operations = [
-        CommitOperationAdd(path_in_repo=local.split("/")[-1], path_or_fileobj=local) for local in local_filenames
+        CommitOperationAdd(path_in_repo=os.path.basename(local), path_or_fileobj=local) for local in local_filenames
     ]
     errors: List[Tuple[str, "Exception"]] = []