diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/CatalystSerializers.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/CatalystSerializers.java
index d676ab1..2c4ee73 100644
--- a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/CatalystSerializers.java
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/CatalystSerializers.java
@@ -51,6 +51,7 @@
 import org.onosproject.store.service.DocumentTreeEvent;
 import org.onosproject.store.service.MapEvent;
 import org.onosproject.store.service.TransactionLog;
+import org.onosproject.store.service.MultimapEvent;
 import org.onosproject.store.service.Task;
 import org.onosproject.store.service.Versioned;
 import org.onosproject.store.service.WorkQueueStats;
@@ -100,6 +101,8 @@
         serializer.register(TransactionLog.class, factory);
         serializer.register(Versioned.class, factory);
         serializer.register(MapEvent.class, factory);
+        serializer.register(MultimapEvent.class, factory);
+        serializer.register(MultimapEvent.Type.class, factory);
         serializer.register(Task.class, factory);
         serializer.register(WorkQueueStats.class, factory);
         serializer.register(DocumentPath.class, factory);