diff --git a/neo/client/app.py b/neo/client/app.py
index 9ec131e029a2d3cbf3dec3cb9000bf5ea39d4d54..8d15ea325ea9d454f5d00f17777ee305de2d68bf 100644
--- a/neo/client/app.py
+++ b/neo/client/app.py
@@ -295,7 +295,7 @@ class Application(object):
         m_conn = self._getMasterConnection()
         m_conn.lock()
         try:
-            node_list = [(STORAGE_NODE_TYPE, ip_address, port, s_uuid, s_node.getState())]
+            node_list = [(protocol.STORAGE_NODE_TYPE, ip_address, port, s_uuid, s_node.getState())]
             m_conn.notify(protocol.notifyNodeInformation(node_list))
         finally:
             m_conn.unlock()