diff --git a/core/api/src/test/java/org/onlab/onos/net/host/HostEventTest.java b/core/api/src/test/java/org/onlab/onos/net/host/HostEventTest.java
index a0d6848..561b041 100644
--- a/core/api/src/test/java/org/onlab/onos/net/host/HostEventTest.java
+++ b/core/api/src/test/java/org/onlab/onos/net/host/HostEventTest.java
@@ -34,7 +34,7 @@
         HostId hid = HostId.hostId(mac, vlan);
 
         return new DefaultHost(
-                new ProviderId("foo"), hid, mac, vlan, loc, ipset);
+                new ProviderId("of", "foo"), hid, mac, vlan, loc, ipset);
     }
 
     @Override