diff --git a/src/core/xmpp.py b/src/core/xmpp.py
index 604f9fb2..86d4c70c 100644
--- a/src/core/xmpp.py
+++ b/src/core/xmpp.py
@@ -27,10 +27,7 @@ log = getLogger(__name__)
 from sat.core import exceptions
 from calendar import timegm
 from zope.interface import implements
-try:
-    from twisted.words.protocols.xmlstream import XMPPHandler
-except ImportError:
-    from wokkel.subprotocols import XMPPHandler
+from twisted.words.protocols.jabber.xmlstream import XMPPHandler
 
 
 class SatXMPPClient(client.XMPPClient):