diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/MessageSubject.java b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/MessageSubject.java
index 3b888b3..bf86c5b 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/MessageSubject.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/MessageSubject.java
@@ -8,6 +8,9 @@
     /** Represents a first greeting message. */
     HELLO,
 
+    /** Signifies node's intent to leave the cluster. */
+    GOODBYE,
+
     /** Signifies a heart-beat message. */
     ECHO