diff --git a/addons/crm/res_partner.py b/addons/crm/res_partner.py
index a8d5724acb1..718ecd929ba 100644
--- a/addons/crm/res_partner.py
+++ b/addons/crm/res_partner.py
@@ -88,16 +88,11 @@ class res_partner(osv.osv):
         return opportunity_ids
 
     def schedule_meeting(self, cr, uid, ids, context=None):
-        if context is None:
-            context = {}
         partner_ids = list(ids)
         partner_ids.append(self.pool.get('res.users').browse(cr, uid, uid).partner_id.id)
         res = self.pool.get('ir.actions.act_window').for_xml_id(cr, uid, 'calendar', 'action_calendar_event', context)
         res['context'] = {
-            'default_partner_id': ids and ids[0] or False,
+            'search_default_partner_ids': list(ids),
             'default_partner_ids': partner_ids,
         }
         return res
-
-
-# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: