diff --git a/addons/hr_timesheet_sheet/hr_timesheet_sheet.py b/addons/hr_timesheet_sheet/hr_timesheet_sheet.py
index b781a6d616a..160d0e9f256 100644
--- a/addons/hr_timesheet_sheet/hr_timesheet_sheet.py
+++ b/addons/hr_timesheet_sheet/hr_timesheet_sheet.py
@@ -461,7 +461,7 @@ hr_timesheet_sheet_sheet_account()
 class res_company(osv.osv):
 	_inherit = 'res.company'
 	_columns = {
-		'timesheet_range': fields.selection([('day','Day'),('week','Week'),('month','Month'),('year','Year')], 'Timeshet range', required=True),
+		'timesheet_range': fields.selection([('day','Day'),('week','Week'),('month','Month'),('year','Year')], 'Timeshet range'),
 		'timesheet_max_difference': fields.float('Timesheet allowed difference', help="Allowed difference between the sign in/out and the timesheet computation for one sheet. Set this to 0 if you do not want any control."),
 	}
 	_defaults = {