diff --git a/python/fusion_engine_client/utils/transport_utils.py b/python/fusion_engine_client/utils/transport_utils.py
index b6ff1c46..4a348fb1 100644
--- a/python/fusion_engine_client/utils/transport_utils.py
+++ b/python/fusion_engine_client/utils/transport_utils.py
@@ -253,7 +253,7 @@ def create_transport(descriptor: str, timeout_sec: float = None, print_func: Cal
                     print_func(f'Writing to stdout.')
                 else:
                     print_func(f'Writing to {path}.')
-            transport = FileTransport(input=None, output=stdout.buffer)
+            transport = FileTransport(input=None, output=path)
         else:
             raise ValueError(f"Unsupported file mode '{mode}'.")
         return transport