diff --git a/src/python/dxpy/bindings/dxfile.py b/src/python/dxpy/bindings/dxfile.py
index bd121085a..1d31324fa 100644
--- a/src/python/dxpy/bindings/dxfile.py
+++ b/src/python/dxpy/bindings/dxfile.py
@@ -728,7 +728,7 @@ def get_upload_url_and_headers():
             report_progress_fn(self, len(data))
 
     def wait_until_parts_uploaded(self, **kwargs):
-        self._wait_until_parts_uploaded(self, **kwargs)
+        self._wait_until_parts_uploaded(**kwargs)
 
 
     def get_download_url(self, duration=None, preauthenticated=False, filename=None, project=None, **kwargs):