diff --git a/protocols/isis/ctl/src/main/java/org/onosproject/isis/controller/impl/DefaultIsisController.java b/protocols/isis/ctl/src/main/java/org/onosproject/isis/controller/impl/DefaultIsisController.java
index 60bb531..9cafc4c 100644
--- a/protocols/isis/ctl/src/main/java/org/onosproject/isis/controller/impl/DefaultIsisController.java
+++ b/protocols/isis/ctl/src/main/java/org/onosproject/isis/controller/impl/DefaultIsisController.java
@@ -45,7 +45,7 @@
 @Service
 public class DefaultIsisController implements IsisController {
 
-    protected static final Logger log = LoggerFactory.getLogger(DefaultIsisController.class);
+    private static final Logger log = LoggerFactory.getLogger(DefaultIsisController.class);
     private final Controller controller = new Controller();
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected DriverService driverService;