diff --git a/python/cudf/cudf/io/parquet.py b/python/cudf/cudf/io/parquet.py
index 934d3a30323..213ed9b155f 100644
--- a/python/cudf/cudf/io/parquet.py
+++ b/python/cudf/cudf/io/parquet.py
@@ -592,11 +592,10 @@ def _get_native_s3_path(source, fs) -> None | str:
         fs
     ):
         for source in filepath_or_buffer:
-            s3path = _get_native_s3_path(source, fs)
-            if s3path is None:
+            filepaths_or_buffers.append(_get_native_s3_path(source, fs))
+            if filepaths_or_buffers[-1] is None:
                 filepaths_or_buffers = []
                 break
-            filepaths_or_buffers.append(s3path)
 
     if not filepaths_or_buffers:
         filepaths_or_buffers = ioutils.get_reader_filepath_or_buffer(