diff --git a/python/primihub/MPC/util.py b/python/primihub/MPC/util.py
index 0185ebd1..8b337ee1 100644
--- a/python/primihub/MPC/util.py
+++ b/python/primihub/MPC/util.py
@@ -2,5 +2,10 @@
 from primihub.context import Context
 
 def stop_auxiliary_party():
-  mpc_executor = ph_slib.MPCExecutor(Context.message, "ABY3", "", "", "")
+  cert_config = Context.cert_config
+  root_ca_path = cert_config.get("root_ca_path", "")
+  key_path = cert_config.get("key_path", "")
+  cert_path = cert_config.get("cert_path", "")
+  mpc_executor = ph_slib.MPCExecutor(Context.message, "ABY3",
+                                      root_ca_path, key_path, cert_path)
   mpc_executor.stop_task()
\ No newline at end of file