diff --git a/src/python/grpcio/grpc/beta/implementations.py b/src/python/grpcio/grpc/beta/implementations.py
index 9b461fb3ddf..c9d64ad35a0 100644
--- a/src/python/grpcio/grpc/beta/implementations.py
+++ b/src/python/grpcio/grpc/beta/implementations.py
@@ -147,7 +147,7 @@ def secure_channel(host, port, client_credentials):
     A secure Channel to the remote host through which RPCs may be conducted.
   """
   intermediary_low_channel = _intermediary_low.Channel(
-      '%s:%d' % (host, port), client_credentials.intermediary_low_credentials)
+      '%s:%d' % (host, port), client_credentials._intermediary_low_credentials)
   return Channel(intermediary_low_channel._internal, intermediary_low_channel)  # pylint: disable=protected-access