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-rw-r--r--addons/calendar/calendar.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/addons/calendar/calendar.py b/addons/calendar/calendar.py
index 24f074a805c..9c8ec4d60a2 100644
--- a/addons/calendar/calendar.py
+++ b/addons/calendar/calendar.py
@@ -1124,7 +1124,8 @@ class calendar_event(osv.Model):
if r_date:
sort_fields['sort_start'] = r_date.strftime("%Y%m%d%H%M%S")
else:
- sort_fields['sort_start'] = browse_event['display_start'].replace(' ', '').replace('-', '')
+ display_start = browse_event['display_start']
+ sort_fields['sort_start'] = display_start and display_start.replace(' ', '').replace('-', '') or False
return sort_fields
def get_recurrent_ids(self, cr, uid, event_id, domain, order=None, context=None):