diff --git a/addons/account_asset/account_asset.py b/addons/account_asset/account_asset.py
index c27bf37ccfa..617d86d83de 100644
--- a/addons/account_asset/account_asset.py
+++ b/addons/account_asset/account_asset.py
@@ -402,8 +402,8 @@ class account_asset_depreciation_line(osv.osv):
             context.update({'date': depreciation_date})
             amount = currency_obj.compute(cr, uid, current_currency, company_currency, line.amount, context=context)
             sign = (line.asset_id.category_id.journal_id.type == 'purchase' and 1) or -1
-            asset_name = line.asset_id.name
-            reference = line.name
+            asset_name = "/"
+            reference = line.asset_id.name
             move_vals = {
                 'name': asset_name,
                 'date': depreciation_date,
diff --git a/addons/stock/wizard/stock_return_picking.py b/addons/stock/wizard/stock_return_picking.py
index 1da567b166b..08834fe9046 100644
--- a/addons/stock/wizard/stock_return_picking.py
+++ b/addons/stock/wizard/stock_return_picking.py
@@ -61,6 +61,9 @@ class stock_return_picking(osv.osv_memory):
         result1 = []
         if context is None:
             context = {}
+        if context and context.get('active_ids', False):
+            if len(context.get('active_ids')) > 1:
+                raise osv.except_osv(_('Warning!'), _("You may only return one picking at a time!"))
         res = super(stock_return_picking, self).default_get(cr, uid, fields, context=context)
         record_id = context and context.get('active_id', False) or False
         pick_obj = self.pool.get('stock.picking')