diff --git a/addons/hr_holidays/hr_holidays.py b/addons/hr_holidays/hr_holidays.py
index ebe4948ef16..d382df287b6 100644
--- a/addons/hr_holidays/hr_holidays.py
+++ b/addons/hr_holidays/hr_holidays.py
@@ -219,6 +219,7 @@ class hr_holidays(osv.osv):
         })
         wf_service = netsvc.LocalService("workflow")
         for id in ids:
+            wf_service.trg_delete(uid, 'hr.holidays', id, cr)
             wf_service.trg_create(uid, 'hr.holidays', id, cr)
         return True