diff --git a/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java b/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
index f930f8c..3c14cb0 100644
--- a/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
+++ b/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
@@ -20,6 +20,7 @@
 import com.google.common.collect.ImmutableSet;
 
 import org.onlab.packet.ChassisId;
+import org.onlab.packet.EthType;
 import org.onlab.packet.Ip4Address;
 import org.onlab.packet.Ip4Prefix;
 import org.onlab.packet.Ip6Address;
@@ -293,6 +294,7 @@
                     PortCriterion.class,
                     MetadataCriterion.class,
                     EthCriterion.class,
+                    EthType.class,
                     EthTypeCriterion.class,
                     VlanIdCriterion.class,
                     VlanPcpCriterion.class,