diff --git a/src/memory/disco.py b/src/memory/disco.py
index 06868ef8..8d1c7c30 100755
--- a/src/memory/disco.py
+++ b/src/memory/disco.py
@@ -116,10 +116,11 @@ class Discovery(object):
             return d
 
     @defer.inlineCallbacks
-    def getItems(self, jid_=None, profile_key=C.PROF_KEY_NONE):
+    def getItems(self, jid_=None, nodeIdentifier='', profile_key=C.PROF_KEY_NONE):
         """get disco items from jid_, cache them for our own server
 
-        @param jid_: jid of the target, or None for profile's server
+        @param jid_ (jid.JID): jid of the target, or None for profile's server
+        @param nodeIdentifier (str): optional node identifier
         @param profile_key: %(doc_profile_key)s
         @return: a Deferred which fire disco.DiscoItems
         """
@@ -132,10 +133,10 @@ class Discovery(object):
                 log.debug("[%s] disco items are in cache" % jid_.full())
             except KeyError:
                 log.debug("Caching [%s] disco items" % jid_.full())
-                items = yield client.disco.requestItems(jid_)
+                items = yield client.disco.requestItems(jid_, nodeIdentifier)
                 self.host.memory.updateEntityData(jid_, "DISCO_ITEMS", items, client.profile)
         else:
-            items = yield client.disco.requestItems(jid_)
+            items = yield client.disco.requestItems(jid_, nodeIdentifier)
 
         defer.returnValue(items)
 
@@ -168,7 +169,7 @@ class Discovery(object):
                 defers_list.append(info_d)
             return defer.DeferredList(defers_list)
 
-        d = self.getItems(jid_, profile_key)
+        d = self.getItems(jid_, profile_key=profile_key)
         d.addCallback(gotItems)
         d.addCallback(lambda dummy: found_entities)
         reactor.callLater(TIMEOUT, d.cancel) # FIXME: one bad service make a general timeout
@@ -213,7 +214,7 @@ class Discovery(object):
             defer_list.append(infos_d)
             return defer.DeferredList(defer_list)
 
-        d = self.getItems(jid_, profile_key)
+        d = self.getItems(jid_, profile_key=profile_key)
         d.addCallback(gotItems)
         d.addCallback(lambda dummy: found_entities)
         reactor.callLater(TIMEOUT, d.cancel) # FIXME: one bad service make a general timeout
@@ -261,5 +262,5 @@ class Discovery(object):
 
         @return: list of tu"""
         entity = jid.JID(entity_jid_s)
-        disco_items = yield self.getItems(entity, profile_key)
+        disco_items = yield self.getItems(entity, profile_key=profile_key)
         defer.returnValue([(item.entity.full(), item.nodeIdentifier or '', item.name or '') for item in disco_items])