diff --git a/Spectrum2/backend.py b/Spectrum2/backend.py
index feb2e94..4504bb1 100644
--- a/Spectrum2/backend.py
+++ b/Spectrum2/backend.py
@@ -222,9 +222,19 @@ class SpectrumBackend:
 		message = WRAP(d.SerializeToString(), protocol_pb2.WrapperMessage.TYPE_FT_DATA);
 		self.send(message)
 
-	def handleBackendConfig(self, section, key, value):
+	def handleBackendConfig(self, data):
+		"""
+		data is a dictionary, whose keys are sections and values are a list of
+		tuples of configuration key and configuration value.
+		"""
 		c = protocol_pb2.BackendConfig()
-		c.config = "[%s]\n%s = %s\n" % (section, key, value)
+		config = []
+		for section, rest in data.items():
+			config.append('[%s]' % section)
+			for key, value in rest:
+				config.append('%s = %s' % (key, value))
+
+		c.config = '\n'.join(config)
 
 		message = WRAP(c.SerializeToString(), protocol_pb2.WrapperMessage.TYPE_BACKEND_CONFIG);
 		self.send(message)
diff --git a/transwhat.py b/transwhat.py
index aa58ad9..935b185 100755
--- a/transwhat.py
+++ b/transwhat.py
@@ -76,7 +76,12 @@ io = IOChannel(args.host, args.port, handleTransportData, connectionClosed)
 
 plugin = WhatsAppBackend(io, args.j)
 
-plugin.handleBackendConfig('features', 'send_buddies_on_login', 1)
+plugin.handleBackendConfig({
+	'features': [
+		('send_buddies_on_login', 1),
+		('muc', 'true'),
+	],
+})
 
 while True:
 	try: