diff --git a/addons/account/account.py b/addons/account/account.py
index 660976389b3..0631bbfff7d 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -1850,13 +1850,13 @@ class account_tax(osv.osv):
             return result in the context
             Ex: result=round(price_unit*0.21,4)
     """
-    def copy(self, cr, uid, id, default=None, context=None):
+    def copy_data(self, cr, uid, id, default=None, context=None):
         if default is None:
             default = {}
         name = self.read(cr, uid, id, ['name'], context=context)['name']
         default = default.copy()
         default.update({'name': name + _(' (Copy)')})
-        return super(account_tax, self).copy(cr, uid, id, default=default, context=context)
+        return super(account_tax, self).copy_data(cr, uid, id, default=default, context=context)
 
 
     def get_precision_tax():