diff --git a/web/api/src/main/java/org/onosproject/codec/impl/TrafficTreatmentCodec.java b/web/api/src/main/java/org/onosproject/codec/impl/TrafficTreatmentCodec.java
index ba804d1..786c461 100644
--- a/web/api/src/main/java/org/onosproject/codec/impl/TrafficTreatmentCodec.java
+++ b/web/api/src/main/java/org/onosproject/codec/impl/TrafficTreatmentCodec.java
@@ -28,7 +28,7 @@
 /**
  * Traffic treatment codec.
  */
-public class TrafficTreatmentCodec extends JsonCodec<TrafficTreatment> {
+public final class TrafficTreatmentCodec extends JsonCodec<TrafficTreatment> {
     @Override
     public ObjectNode encode(TrafficTreatment treatment, CodecContext context) {
         checkNotNull(treatment, "Traffic treatment cannot be null");