diff --git a/src/test/utils/CordTestServer.py b/src/test/utils/CordTestServer.py
index 954ca10..c882f58 100644
--- a/src/test/utils/CordTestServer.py
+++ b/src/test/utils/CordTestServer.py
@@ -68,7 +68,7 @@
         return 'DONE'
 
     def add_cluster_onos(self, kwargs):
-        return self.__add_cluster_onos(self, **kwargs)
+        return self.__add_cluster_onos(**kwargs)
 
     def __restart_quagga(self, config = None, boot_delay = 30 ):
         config_file = Quagga.quagga_config_file