diff --git a/sat/plugins/plugin_xep_0163.py b/sat/plugins/plugin_xep_0163.py
index cddd809a..7d403974 100755
--- a/sat/plugins/plugin_xep_0163.py
+++ b/sat/plugins/plugin_xep_0163.py
@@ -90,11 +90,11 @@ class XEP_0163(object):
             self.pep_events.add(node + "+notify")
 
         def filterPEPEvent(client, itemsEvent):
-            """Ignore messages which are not coming from PEP (i.e. main server)
+            """Ignore messages which are not coming from PEP (i.e. a bare jid)
 
             @param itemsEvent(pubsub.ItemsEvent): pubsub event
             """
-            if itemsEvent.sender.user or itemsEvent.sender.resource:
+            if not itemsEvent.sender.user or itemsEvent.sender.resource:
                 log.debug(
                     "ignoring non PEP event from {} (profile={})".format(
                         itemsEvent.sender.full(), client.profile