diff --git a/src/test/java/net/onrc/onos/ofcontroller/core/internal/LinkStorageImplTest.java b/src/test/java/net/onrc/onos/ofcontroller/core/internal/LinkStorageImplTest.java
index 9b1c4d6..fcc753f 100644
--- a/src/test/java/net/onrc/onos/ofcontroller/core/internal/LinkStorageImplTest.java
+++ b/src/test/java/net/onrc/onos/ofcontroller/core/internal/LinkStorageImplTest.java
@@ -40,7 +40,7 @@
 @RunWith(PowerMockRunner.class)
 @PrepareForTest({LinkStorageImpl.class, GraphDBConnection.class, GraphDBOperation.class})
 public class LinkStorageImplTest {
-	protected static Logger log = LoggerFactory.getLogger(LinkStorageImplTest.class);
+	protected final static Logger log = LoggerFactory.getLogger(LinkStorageImplTest.class);
 
 	private static ILinkStorage linkStorage;
 	
diff --git a/src/test/java/net/onrc/onos/ofcontroller/core/internal/TestableGraphDBOperation.java b/src/test/java/net/onrc/onos/ofcontroller/core/internal/TestableGraphDBOperation.java
index c695f8d..385b49d 100644
--- a/src/test/java/net/onrc/onos/ofcontroller/core/internal/TestableGraphDBOperation.java
+++ b/src/test/java/net/onrc/onos/ofcontroller/core/internal/TestableGraphDBOperation.java
@@ -32,7 +32,7 @@
  *
  */
 public class TestableGraphDBOperation extends GraphDBOperation {
-	protected static Logger log = LoggerFactory.getLogger(TestableGraphDBOperation.class);
+	protected final static Logger log = LoggerFactory.getLogger(TestableGraphDBOperation.class);
 
 	protected List<TestSwitchObject> switches;
 	protected List<TestPortObject> ports;
diff --git a/src/test/java/net/onrc/onos/ofcontroller/devicemanager/internal/DeviceStorageImplTest.java b/src/test/java/net/onrc/onos/ofcontroller/devicemanager/internal/DeviceStorageImplTest.java
index de8be4e..89d4b92 100644
--- a/src/test/java/net/onrc/onos/ofcontroller/devicemanager/internal/DeviceStorageImplTest.java
+++ b/src/test/java/net/onrc/onos/ofcontroller/devicemanager/internal/DeviceStorageImplTest.java
@@ -40,7 +40,7 @@
 @PrepareForTest({TitanFactory.class, GraphDBConnection.class, GraphDBOperation.class, DeviceStorageImpl.class})
 public class DeviceStorageImplTest{ //extends FloodlightTestCase{
 	
-	protected static Logger log = LoggerFactory.getLogger(SwitchStorageImpl.class);
+	protected final static Logger log = LoggerFactory.getLogger(SwitchStorageImpl.class);
 	
 	String conf;
 	DeviceStorageImpl deviceImpl;
diff --git a/src/test/java/net/onrc/onos/ofcontroller/linkdiscovery/internal/LinkDiscoveryManagerTest.java b/src/test/java/net/onrc/onos/ofcontroller/linkdiscovery/internal/LinkDiscoveryManagerTest.java
index 87b48b2..c3647f2 100644
--- a/src/test/java/net/onrc/onos/ofcontroller/linkdiscovery/internal/LinkDiscoveryManagerTest.java
+++ b/src/test/java/net/onrc/onos/ofcontroller/linkdiscovery/internal/LinkDiscoveryManagerTest.java
@@ -58,7 +58,7 @@
 public class LinkDiscoveryManagerTest extends FloodlightTestCase {
 
     private TestLinkDiscoveryManager ldm;
-    protected static Logger log = LoggerFactory.getLogger(LinkDiscoveryManagerTest.class);
+    protected final static Logger log = LoggerFactory.getLogger(LinkDiscoveryManagerTest.class);
     
     public class TestLinkDiscoveryManager extends LinkDiscoveryManager {
         public boolean isSendLLDPsCalled = false;