diff --git a/addons/base_calendar/wizard/base_calendar_set_exrule.py b/addons/base_calendar/wizard/base_calendar_set_exrule.py
index febfb39e1ef..ab458c8f7f5 100644
--- a/addons/base_calendar/wizard/base_calendar_set_exrule.py
+++ b/addons/base_calendar/wizard/base_calendar_set_exrule.py
@@ -82,12 +82,11 @@ class base_calendar_set_exrule(osv.osv_memory):
         @param uid: the current user’s ID for security checks,
         @param fields: List of fields for default value
         @param context: A standard dictionary for contextual values
-
         """
-        crm_obj = self.pool.get('crm.meeting')
-        for meeting in crm_obj.browse(cr, uid, context.get('active_ids', [])):
-            if not meeting.rrule:
-                raise osv.except_osv(_("Warning !"), _("Please Apply Recurrency after Apply Exception Rule"))
+        event_obj = self.pool.get(context.get('active_model'))
+        for event in event_obj.browse(cr, uid, context.get('active_ids', [])):
+            if not event.rrule:
+                raise osv.except_osv(_("Warning !"), _("Please Apply Recurrency before applying Exception Rule."))
         return False
 
     def compute_exrule_string(self, cr, uid, ids, context=None):
diff --git a/addons/caldav/calendar.py b/addons/caldav/calendar.py
index 3e4701a08d5..409ffa6b5ad 100644
--- a/addons/caldav/calendar.py
+++ b/addons/caldav/calendar.py
@@ -277,11 +277,7 @@ class CalDAV(object):
                                            % (model_obj._table, data[map_field]))
                             r_ids = map(lambda x: x[0], cr.fetchall())
                         if r_ids:
-                            rdata = self.pool.get(model).read(cr, uid, r_ids)
-                            event_obj = self.pool.get('basic.calendar.event')
-                            rcal = event_obj.export_cal(cr, uid, rdata, context=context)
-                            for revents in rcal.contents['vevent']:
-                                ical.contents['vevent'].append(revents)
+                            rcal = self.export_cal(cr, uid, r_ids, 'vevent', context=context)
                         if data.get('recurrent_uid', None):
                             uidval = openobjectid2uid(cr, data['recurrent_uid'], model)
                         vevent.add('uid').value = uidval