diff --git a/src/common/connection.py b/src/common/connection.py
index d58c6aae5..4f8fdf977 100644
--- a/src/common/connection.py
+++ b/src/common/connection.py
@@ -1953,8 +1953,15 @@ class Connection(ConnectionHandlers):
 				hostname = gajim.config.get_per('accounts', self.name, 'hostname')
 				iq = common.xmpp.Iq(typ = 'set', to = hostname)
 				iq.setTag(common.xmpp.NS_REGISTER + ' query').setTag('remove')
-				con.send(iq)
-				on_remove_success(True)
+				def _on_answer(result):
+					if result.getType() == 'result':
+						on_remove_success(True)
+						return
+					self.dispatch('ERROR', (_('Unregister failed'),
+						_('Unregistration with server %(server)s failed: %(error)s') \
+						% {'server': hostname, 'error': result.getErrorMsg()}))
+					on_remove_success(False)
+				con.SendAndCallForResponse(iq, _on_answer)
 				return
 			on_remove_success(False)
 		if self.connected == 0: