diff --git a/src/core/message.h b/src/core/message.h
index 907e98de..e48c0ee2 100644
--- a/src/core/message.h
+++ b/src/core/message.h
@@ -75,6 +75,7 @@ typedef enum msg_type {
     MSG_EVENT_ADD_TAGS,
     MSG_EVENT_UPDATE_TAGS,
     MSG_EVENT_DEL_TAGS,
+    MSG_EVENT_UPDATE_LICENSE,
     MSG_TYPE_EVENT_END,
 
     MSG_TYPE_DATA_START        = 0x3000,