diff --git a/providers/lldpcommon/src/main/java/org/onosproject/provider/lldpcommon/LinkDiscovery.java b/providers/lldpcommon/src/main/java/org/onosproject/provider/lldpcommon/LinkDiscovery.java
index 2afe4de..ec2c1f4 100644
--- a/providers/lldpcommon/src/main/java/org/onosproject/provider/lldpcommon/LinkDiscovery.java
+++ b/providers/lldpcommon/src/main/java/org/onosproject/provider/lldpcommon/LinkDiscovery.java
@@ -133,7 +133,7 @@
         Long portNum = port.number().toLong();
         String portName = port.annotations().value(PORT_NAME);
 
-        boolean newPort = containsPort(portNum);
+        boolean newPort = !containsPort(portNum);
         portMap.put(portNum, portName);
 
         boolean isMaster = context.mastershipService().isLocalMaster(device.id());