diff --git a/src/config.cpp b/src/config.cpp
index a30a01e151fc6f177b36f908081814e23f3d13ad..1a5902e431e3a977d6f1072d150666c582b9c3f2 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -314,6 +314,7 @@ void Config::updateBackendConfig(const std::string &backendConfig) {
 		("registration.needRegistration", value<bool>()->default_value(false), "")
 		("registration.extraField", value<std::vector<std::string> >()->multitoken(), "")
 		("features.receipts", value<bool>()->default_value(false), "")
+		("features.muc", value<bool>()->default_value(false), "")
 	;
 
 	std::stringstream ifs(backendConfig);