diff --git a/include/transport/conversation.h b/include/transport/conversation.h
index c6157ac88dfbd832f8d580c2fb214ac70891dbc3..17de85f0253ef73467aa4660fbaf9887244454a4 100644
--- a/include/transport/conversation.h
+++ b/include/transport/conversation.h
@@ -33,6 +33,8 @@ class ConversationManager;
 
 class Conversation {
 	public:
+		enum ParticipantFlag {None, Moderator};
+
 		/// Constructor.
 		Conversation(ConversationManager *conversationManager, const std::string &legacyName, bool m_muc = false);
 
@@ -42,7 +44,7 @@ class Conversation {
 		const std::string &getLegacyName() { return m_legacyName; }
 
 		void handleMessage(boost::shared_ptr<Swift::Message> &message, const std::string &nickname = "");
-		void handleParticipantChanged(const std::string &nickname, int flag, const std::string &newname = "");
+		void handleParticipantChanged(const std::string &nickname, int flag, int status = Swift::StatusShow::None, const std::string &statusMessage = "", const std::string &newname = "");
 		void setNickname(const std::string &nickname) {
 			m_nickname = nickname;
 		}