diff --git a/openflow/ctl/src/test/java/org/onlab/onos/openflow/controller/impl/RoleManagerTest.java b/openflow/ctl/src/test/java/org/onlab/onos/openflow/controller/impl/RoleManagerTest.java
index 285635a..09fa546 100644
--- a/openflow/ctl/src/test/java/org/onlab/onos/openflow/controller/impl/RoleManagerTest.java
+++ b/openflow/ctl/src/test/java/org/onlab/onos/openflow/controller/impl/RoleManagerTest.java
@@ -165,6 +165,11 @@
         }
 
         @Override
+        public boolean isOptical() {
+            return false;
+        }
+
+        @Override
         public void setAgent(OpenFlowAgent agent) {
         }