diff --git a/addons/account_asset/account_asset.py b/addons/account_asset/account_asset.py
index 9cf4c14fff2..806013e6a4c 100644
--- a/addons/account_asset/account_asset.py
+++ b/addons/account_asset/account_asset.py
@@ -399,7 +399,7 @@ class account_asset_depreciation_line(osv.osv):
         created_move_ids = []
         asset_ids = []
         for line in self.browse(cr, uid, ids, context=context):
-            depreciation_date = context.get('depreciation_date') or line.depreciation_date or time.strftime('%Y-%m-%d')
+            depreciation_date = context.get('depreciation_date') or time.strftime('%Y-%m-%d')
             ctx = dict(context, account_period_prefer_normal=True)
             period_ids = period_obj.find(cr, uid, depreciation_date, context=ctx)
             company_currency = line.asset_id.company_id.currency_id.id