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 76167eb..74ad5d8 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
@@ -547,6 +547,7 @@
             .register(ClosedOpenRange.class)
             .register(DiscreteResourceCodec.class)
             .register(new ImmutableByteSequenceSerializer(), ImmutableByteSequence.class)
+            .register(PathIntent.ProtectionType.class)
             .build("API");
 
     /**