diff --git a/src/main/java/net/onrc/onos/ofcontroller/linkdiscovery/internal/LinkDiscoveryManager.java b/src/main/java/net/onrc/onos/ofcontroller/linkdiscovery/internal/LinkDiscoveryManager.java
index c9f3d5e..c03b266 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/linkdiscovery/internal/LinkDiscoveryManager.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/linkdiscovery/internal/LinkDiscoveryManager.java
@@ -127,7 +127,7 @@
 IStorageSourceListener, ILinkDiscoveryService,
 IFloodlightModule, IInfoProvider, IHAListener {
 	protected IFloodlightProviderService controller;
-    protected static Logger log = LoggerFactory.getLogger(LinkDiscoveryManager.class);
+    protected final static Logger log = LoggerFactory.getLogger(LinkDiscoveryManager.class);
 
     // Names of table/fields for links in the storage API
     private static final String LINK_TABLE_NAME = "controller_link";