diff --git a/templates/neutron.conf.j2 b/templates/neutron.conf.j2
index c142fb5b..985da44b 100644
--- a/templates/neutron.conf.j2
+++ b/templates/neutron.conf.j2
@@ -86,7 +86,7 @@ nova_url = {{ nova_service_adminurl|replace('/%(tenant_id)s', '') }}
 
 ## Rpc all
 rpc_backend = {{ neutron_rpc_backend }}
-executor__thread_pool_size = {{ neutron_rpc_thread_pool_size }}
+executor_thread_pool_size = {{ neutron_rpc_thread_pool_size }}
 rpc_conn_pool_size = {{ neutron_rpc_conn_pool_size }}
 rpc_response_timeout = {{ neutron_rpc_response_timeout }}