diff --git a/src/pbnetwork.proto b/src/pbnetwork.proto
index 4a50f3e9fad9194353a3f63a4e7c3057d15a72d1..8ca0ecad2ed4b8b7d80652456e58ba430970a53c 100644
--- a/src/pbnetwork.proto
+++ b/src/pbnetwork.proto
@@ -72,6 +72,7 @@ message WrapperMessage {
 		TYPE_LEAVE_ROOM				= 12;
 		TYPE_PARTICIPANT_CHANGED	= 13;
 		TYPE_ROOM_NICKNAME_CHANGED	= 14;
+		TYPE_ROOM_SUBJECT_CHANGED	= 15;
 	}
 	required Type type = 1;
 	optional bytes payload = 2;