diff --git a/core/trivial/src/test/java/org/onlab/onos/net/trivial/topology/impl/DefaultTopologyTest.java b/core/trivial/src/test/java/org/onlab/onos/net/trivial/topology/impl/DefaultTopologyTest.java
index 2520602..1fe33f6 100644
--- a/core/trivial/src/test/java/org/onlab/onos/net/trivial/topology/impl/DefaultTopologyTest.java
+++ b/core/trivial/src/test/java/org/onlab/onos/net/trivial/topology/impl/DefaultTopologyTest.java
@@ -29,7 +29,7 @@
  */
 public class DefaultTopologyTest {
 
-    public static final ProviderId PID = new ProviderId("foo.bar");
+    public static final ProviderId PID = new ProviderId("of", "foo.bar");
 
     public static final DeviceId D1 = deviceId("of:1");
     public static final DeviceId D2 = deviceId("of:2");