diff --git a/src/DIRAC/Resources/Computing/CloudProviders/OpenNebula.py b/src/DIRAC/Resources/Computing/CloudProviders/OpenNebula.py
index 3964bec00f5..52b310bda16 100644
--- a/src/DIRAC/Resources/Computing/CloudProviders/OpenNebula.py
+++ b/src/DIRAC/Resources/Computing/CloudProviders/OpenNebula.py
@@ -98,6 +98,9 @@ class OpenNebula_6_0_NodeDriver(OpenNebulaNodeDriver):
         # 11: Cloning Failure
     }
 
+    def __new__(cls, key, secret=None, **kwargs):
+        return super(NodeDriver).__new__(cls)
+
     def create_node(self, name, size, image=None, network=None, context=None,
                     ex_onhold=False, ex_tmpl_network=True):
         tmpl_id = None