diff --git a/include/transport/conversation.h b/include/transport/conversation.h
index 83e22672a8635fe9afba9333d089a4c5ca08ab0d..268326b067df5e342aad32c7349ee5f9ecf1b9c2 100644
--- a/include/transport/conversation.h
+++ b/include/transport/conversation.h
@@ -153,6 +153,7 @@ class Conversation {
 
 	private:
 		Swift::Presence::ref generatePresence(const std::string &nick, int flag, int status, const std::string &statusMessage, const std::string &newname = "");
+		void cacheMessage(boost::shared_ptr<Swift::Message> &message);
 
 	private:
 		ConversationManager *m_conversationManager;