diff --git a/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/SimpleHostStore.java b/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/SimpleHostStore.java
index 2f8fbd2..ba1cafb 100644
--- a/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/SimpleHostStore.java
+++ b/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/SimpleHostStore.java
@@ -15,6 +15,7 @@
  */
 package org.onlab.onos.store.trivial.impl;
 
+import static org.onlab.onos.net.DefaultAnnotations.merge;
 import static org.onlab.onos.net.host.HostEvent.Type.HOST_ADDED;
 import static org.onlab.onos.net.host.HostEvent.Type.HOST_MOVED;
 import static org.onlab.onos.net.host.HostEvent.Type.HOST_REMOVED;
@@ -33,6 +34,7 @@
 import org.apache.felix.scr.annotations.Service;
 import org.onlab.onos.net.Annotations;
 import org.onlab.onos.net.ConnectPoint;
+import org.onlab.onos.net.DefaultAnnotations;
 import org.onlab.onos.net.DefaultHost;
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.Host;
@@ -106,7 +108,8 @@
                                             descr.hwAddress(),
                                             descr.vlan(),
                                             descr.location(),
-                                            ImmutableSet.copyOf(descr.ipAddress()));
+                                            ImmutableSet.copyOf(descr.ipAddress()),
+                                            descr.annotations());
         synchronized (this) {
             hosts.put(hostId, newhost);
             locations.put(descr.location(), newhost);
@@ -123,15 +126,19 @@
             return new HostEvent(HOST_MOVED, host);
         }
 
-        if (host.ipAddresses().containsAll(descr.ipAddress())) {
+        if (host.ipAddresses().containsAll(descr.ipAddress()) &&
+                descr.annotations().keys().isEmpty()) {
             return null;
         }
 
         Set<IpAddress> addresses = new HashSet<>(host.ipAddresses());
         addresses.addAll(descr.ipAddress());
+        Annotations annotations = merge((DefaultAnnotations) host.annotations(),
+                                        descr.annotations());
         StoredHost updated = new StoredHost(providerId, host.id(),
                                             host.mac(), host.vlan(),
-                                            descr.location(), addresses);
+                                            descr.location(), addresses,
+                                            annotations);
         event = new HostEvent(HOST_UPDATED, updated);
         synchronized (this) {
             hosts.put(host.id(), updated);