diff --git a/addons/account_voucher/account_voucher.py b/addons/account_voucher/account_voucher.py
index 9f19be18b26..8cb22ade87c 100644
--- a/addons/account_voucher/account_voucher.py
+++ b/addons/account_voucher/account_voucher.py
@@ -1313,8 +1313,8 @@ class account_voucher_line(osv.osv):
         'move_line_id': fields.many2one('account.move.line', 'Journal Item'),
         'date_original': fields.related('move_line_id','date', type='date', relation='account.move.line', string='Date', readonly=1),
         'date_due': fields.related('move_line_id','date_maturity', type='date', relation='account.move.line', string='Due Date', readonly=1),
-        'amount_original': fields.function(_compute_balance, multi='dc', type='float', string='Original Amount', store=True),
-        'amount_unreconciled': fields.function(_compute_balance, multi='dc', type='float', string='Open Balance', store=True),
+        'amount_original': fields.function(_compute_balance, multi='dc', type='float', string='Original Amount', store=True, digits_compute=dp.get_precision('Account')),
+        'amount_unreconciled': fields.function(_compute_balance, multi='dc', type='float', string='Open Balance', store=True, digits_compute=dp.get_precision('Account')),
         'company_id': fields.related('voucher_id','company_id', relation='res.company', type='many2one', string='Company', store=True, readonly=True),
         'currency_id': fields.function(_currency_id, string='Currency', type='many2one', relation='res.currency', readonly=True),
     }