diff --git a/addons/calendar/calendar.py b/addons/calendar/calendar.py
index 34a348c5b25..5420f67acc0 100644
--- a/addons/calendar/calendar.py
+++ b/addons/calendar/calendar.py
@@ -855,6 +855,15 @@ class calendar_event(osv.Model):
         'alarm_ids': fields.many2many('calendar.alarm', string='Reminders', ondelete="restrict"),
 
     }
+
+    def _get_default_partners(self, cr, uid, ctx=None):
+        ret = [self.pool['res.users'].browse(cr, uid, uid, context=ctx).partner_id.id]
+        active_id = ctx.get('active_id')
+        if ctx.get('active_model') == 'res.partner' and active_id:
+            if active_id not in ret:
+                ret.append(active_id)
+        return ret
+
     _defaults = {
         'end_type': 'count',
         'count': 1,
@@ -866,7 +875,7 @@ class calendar_event(osv.Model):
         'interval': 1,
         'active': 1,
         'user_id': lambda self, cr, uid, ctx: uid,
-        'partner_ids': lambda self, cr, uid, ctx: [self.pool['res.users'].browse(cr, uid, [uid], context=ctx)[0].partner_id.id]
+        'partner_ids': _get_default_partners,
     }
 
     def _check_closing_date(self, cr, uid, ids, context=None):
diff --git a/addons/crm/res_partner_view.xml b/addons/crm/res_partner_view.xml
index 7613c2161fc..ad7cee3a27e 100644
--- a/addons/crm/res_partner_view.xml
+++ b/addons/crm/res_partner_view.xml
@@ -97,7 +97,7 @@
                         <button class="oe_inline" type="action"
                             string="Meetings"
                             name="%(calendar.action_calendar_event)d"
-                            context="{'search_default_partner_ids': active_id, 'default_partner_ids' : [active_id]}"/>
+                            context="{'search_default_partner_ids': active_id}"/>
                         <button class="oe_inline" type="action" string="Calls" 
                             name="%(crm.crm_case_categ_phone_incoming0)d" 
                             context="{'search_default_partner_id': active_id, 'default_duration': 1.0}" />