diff --git a/src/common/connection.py b/src/common/connection.py
index 9c594c476..cf3f1d6ae 100644
--- a/src/common/connection.py
+++ b/src/common/connection.py
@@ -1159,7 +1159,7 @@ class Connection:
 		self.last_incoming = time.time()
 		self.keep_alive_sent = False
 
-	def _event_dispatcher(self, realm, event, data):
+	def _event_dispatcher(self, realm, event, data):
 		if realm == common.xmpp.NS_REGISTER:
 			if event == common.xmpp.features.REGISTER_DATA_RECEIVED:
 				# data is (agent, DataFrom)
@@ -1299,7 +1299,8 @@ class Connection:
 			self.dispatch('STATUS', 'offline')
 			self.dispatch('ERROR', (_('Could not connect to "%s"') % self.name,
 				_('Check your connection or try again later')))
-			return None
+			return None
+		con.RegisterEventHandler(self._event_dispatcher)
 		if auth:
 			con.initRoster()
 			self.last_incoming = time.time()