diff --git a/include/transport/networkpluginserver.h b/include/transport/networkpluginserver.h
index eff5a9876d4ecebdafef2a18caf5eedfb7f2eae0..62fc5b08a7865a21f82fbed8e267994e9d6339e2 100644
--- a/include/transport/networkpluginserver.h
+++ b/include/transport/networkpluginserver.h
@@ -108,6 +108,7 @@ class NetworkPluginServer {
 		void handleFTFinishPayload(const std::string &payload);
 		void handleFTDataPayload(Backend *b, const std::string &payload);
 		void handleQueryPayload(Backend *b, const std::string &payload);
+		void handleBackendConfigPayload(const std::string &payload);
 
 		void handleUserCreated(User *user);
 		void handleRoomJoined(User *user, const Swift::JID &who, const std::string &room, const std::string &nickname, const std::string &password);