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 9a8e268..4f4748f 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
@@ -100,6 +100,7 @@
 import org.onosproject.net.flow.criteria.LambdaCriterion;
 import org.onosproject.net.flow.criteria.MetadataCriterion;
 import org.onosproject.net.flow.criteria.MplsCriterion;
+import org.onosproject.net.flow.criteria.OchSignalCriterion;
 import org.onosproject.net.flow.criteria.OpticalSignalTypeCriterion;
 import org.onosproject.net.flow.criteria.PortCriterion;
 import org.onosproject.net.flow.criteria.SctpPortCriterion;
@@ -290,6 +291,7 @@
                     MplsCriterion.class,
                     IPv6ExthdrFlagsCriterion.class,
                     LambdaCriterion.class,
+                    OchSignalCriterion.class,
                     OpticalSignalTypeCriterion.class,
                     Criterion.class,
                     Criterion.Type.class,