diff --git a/sat/plugins/plugin_xep_0380.py b/sat/plugins/plugin_xep_0380.py
index df0c252b..3a698005 100644
--- a/sat/plugins/plugin_xep_0380.py
+++ b/sat/plugins/plugin_xep_0380.py
@@ -49,6 +49,7 @@ class XEP_0380(object):
         self.host = host
         host.trigger.add("sendMessage", self._sendMessageTrigger)
         host.trigger.add("MessageReceived", self._MessageReceivedTrigger, priority=100)
+        host.registerNamespace(u"eme", NS_EME)
 
     def _addEMEElement(self, mess_data, namespace, name):
         message_elt = mess_data[u'xml']