diff --git a/src/core/sat_main.py b/src/core/sat_main.py
index b9759404..1c8802c3 100644
--- a/src/core/sat_main.py
+++ b/src/core/sat_main.py
@@ -550,8 +550,10 @@ class SAT(service.Service):
         treatments.addCallback(sendAndStore)
         treatments.callback(mess_data)
 
-    def setPresence(self, to="", show="", priority=0, statuses={}, profile_key='@DEFAULT@'):
+    def setPresence(self, to="", show="", priority=0, statuses=None, profile_key='@NONE@'):
         """Send our presence information"""
+        if statuses is None:
+            statuses = {}
         profile = self.memory.getProfileName(profile_key)
         assert(profile)
         to_jid = jid.JID(to) if to else None