diff --git a/addons/stock/stock.py b/addons/stock/stock.py
index b4ad96196ec..ed4ce5692ea 100644
--- a/addons/stock/stock.py
+++ b/addons/stock/stock.py
@@ -428,7 +428,7 @@ class stock_picking(osv.osv):
         for picking in self.browse(cr, uid, ids):
             for r in picking.move_lines:
                 if r.state=='draft':
-                    todo.append(r)
+                    todo.append(r.id)
         todo = self.action_explode(cr, uid, todo, context)
         if len(todo):
             self.pool.get('stock.move').action_confirm(cr, uid, todo, context)
@@ -985,8 +985,9 @@ class stock_move(osv.osv):
                     result[m.picking_id].append( (m, dest) )
         return result
 
-    def action_confirm(self, cr, uid, moves, context={}):
-        ids = map(lambda m: m.id, moves)
+    def action_confirm(self, cr, uid, ids, context={}):
+#        ids = map(lambda m: m.id, moves)
+        moves = self.browse(cr, uid, ids)
         self.write(cr, uid, ids, {'state':'confirmed'})
         for picking, todo in self._chain_compute(cr, uid, moves, context).items():
             ptype = self.pool.get('stock.location').picking_type_get(cr, uid, todo[0][0].location_dest_id, todo[0][1][0])