diff --git a/oml/nodes.py b/oml/nodes.py
index fd7a6ea..47a0f7c 100644
--- a/oml/nodes.py
+++ b/oml/nodes.py
@@ -512,7 +512,7 @@ class Nodes(Thread):
                 self.queue('add', u.id, True)
         self.local = LocalNodes()
         self._pullcb = PeriodicCallback(self.pull, settings.server['pull_interval'])
-        state.main.add_callback(self._pingcb.start)
+        state.main.add_callback(self.pullcb.start)
         Thread.__init__(self)
         self.daemon = True
         self.start()