diff --git a/core/api/src/main/java/org/onosproject/net/flow/instructions/ExtensionTreatmentType.java b/core/api/src/main/java/org/onosproject/net/flow/instructions/ExtensionTreatmentType.java
index a8df465..f036638 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/instructions/ExtensionTreatmentType.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/instructions/ExtensionTreatmentType.java
@@ -62,7 +62,9 @@
         NICIRA_ENCAP_ETH_DST(122),
         NICIRA_ENCAP_ETH_TYPE(123),
         BMV2_ACTION(128),
-        OPLINK_ATTENUATION(130);
+        OPLINK_ATTENUATION(130),
+
+        UNRESOLVED_TYPE(200);
 
         private ExtensionTreatmentType type;