diff --git a/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/util/OpenstackNetworkingUtilTest.java b/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/util/OpenstackNetworkingUtilTest.java
index daf0a9a..3545d06 100644
--- a/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/util/OpenstackNetworkingUtilTest.java
+++ b/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/util/OpenstackNetworkingUtilTest.java
@@ -72,6 +72,7 @@
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.onosproject.net.AnnotationKeys.PORT_NAME;
+import static org.onosproject.openstacknetworking.api.Constants.UNSUPPORTED_VENDOR;
 import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.addRouterIface;
 import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.associatedFloatingIp;
 import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.checkArpMode;
@@ -300,7 +301,7 @@
         assertNull(getIntfNameFromPciAddress(openstackPort));
         assertEquals(expectedIntfName1, getIntfNameFromPciAddress(openstackSriovPort1));
         assertEquals(expectedIntfName2, getIntfNameFromPciAddress(openstackSriovPort2));
-        assertNull(getIntfNameFromPciAddress(openstackSriovPort3));
+        assertEquals(UNSUPPORTED_VENDOR, getIntfNameFromPciAddress(openstackSriovPort3));
     }
 
     /**