diff --git a/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/flowclassifier/impl/FlowClassifierManagerTest.java b/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/flowclassifier/impl/FlowClassifierManagerTest.java
index 8283a52..ceebec8 100644
--- a/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/flowclassifier/impl/FlowClassifierManagerTest.java
+++ b/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/flowclassifier/impl/FlowClassifierManagerTest.java
@@ -29,6 +29,9 @@
 import org.onosproject.vtnrsc.VirtualPortId;
 import org.onosproject.vtnrsc.FlowClassifier;
 import org.onosproject.vtnrsc.util.VtnStorageServiceTest;
+import org.onosproject.common.event.impl.TestEventDispatcher;
+
+import static org.onosproject.net.NetTestTools.injectEventDispatcher;
 
 /**
  * Unit tests for FlowClassifierManager class.
@@ -61,6 +64,7 @@
     public void testCreateFlowClassifier() {
         // initialize flow classifier manager
         flowClassifierMgr.storageService = storageService;
+        injectEventDispatcher(flowClassifierMgr, new TestEventDispatcher());
         flowClassifierMgr.activate();
 
         // create flow classifier