diff --git a/include/transport/networkplugin.h b/include/transport/networkplugin.h
index bf8bb02165f0277d0c23c5b45a6147857c40a620..caa8579fd812077677b8bfb50606eae7fa2c665b 100644
--- a/include/transport/networkplugin.h
+++ b/include/transport/networkplugin.h
@@ -48,7 +48,7 @@ class NetworkPlugin {
 
 		void handleDisconnected(const std::string &user, const std::string &legacyName, int error, const std::string &message);
 
-		void handleMessage(const std::string &user, const std::string &legacyName, const std::string &message);
+		void handleMessage(const std::string &user, const std::string &legacyName, const std::string &message, const std::string &nickname = "");
 
 		void handleRoomChanged(const std::string &user, const std::string &room, const std::string &nickname);