diff --git a/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java b/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
index 38aff97..54c97d8 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
@@ -88,6 +88,7 @@
         public void run() {
             try {
             	log.debug("Running cleanup thread");
+		op = GraphDBManager.getDBOperation("ramcloud", "/tmp/ramcloudconf");
                 switchCleanup();
             }
             catch (Exception e) {