diff --git a/addons/stock/stock.py b/addons/stock/stock.py
index e78332652d2..5bd89fdd44c 100644
--- a/addons/stock/stock.py
+++ b/addons/stock/stock.py
@@ -1515,7 +1515,7 @@ class stock_inventory(osv.osv):
         'name': fields.char('Inventory Reference', size=64, required=True, readonly=True, states={'draft': [('readonly', False)]}),
         'date': fields.datetime('Creation Date', required=True, readonly=True, states={'draft': [('readonly', False)]}),
         'date_done': fields.datetime('Date done'),
-        'line_ids': fields.one2many('stock.inventory.line', 'inventory_id', 'Inventories', readonly=True, states={'draft': [('readonly', False)]}),
+        'line_ids': fields.one2many('stock.inventory.line', 'inventory_id', 'Inventories', readonly=False, states={'done': [('readonly', True)]}),
         'move_ids': fields.one2many('stock.move', 'inventory_id', 'Created Moves'),
         'state': fields.selection([('draft', 'Draft'), ('cancel', 'Cancelled'), ('confirm', 'Confirmed'), ('done', 'Done')], 'Status', readonly=True, select=True),
         'company_id': fields.many2one('res.company', 'Company', required=True, select=True, readonly=True, states={'draft': [('readonly', False)]}),