diff --git a/include/transport/Conversation.h b/include/transport/Conversation.h
index 380e813a8fd7ef992f84fabcb8522f220dd5096f..9c268139ce61a52791d3d9e41212726c46fcac3c 100644
--- a/include/transport/Conversation.h
+++ b/include/transport/Conversation.h
@@ -146,6 +146,7 @@ class Conversation {
 
 		void destroyRoom();
 
+		std::string getParticipants();
 		void sendParticipants(const Swift::JID &to);
 
 		void sendCachedMessages(const Swift::JID &to = Swift::JID());