diff --git a/odoo/exceptions.py b/odoo/exceptions.py
index af5f17a6e6f..d0587176b65 100644
--- a/odoo/exceptions.py
+++ b/odoo/exceptions.py
@@ -125,9 +125,9 @@ class ValidationError(UserError):
 # Warning.
 
 class except_orm(UserError):
-    def __init__(self, *args, **kwargs):
+    def __init__(self, name, value=None):
         warnings.warn("except_orm is a deprecated alias to UserError.", DeprecationWarning)
-        super().__init__(*args, **kwargs)
+        super().__init__(f"{name}: {value}")
 
 class Warning(UserError):
     def __init__(self, *args, **kwargs):
diff --git a/odoo/osv/osv.py b/odoo/osv/osv.py
index c0de9c0973e..9d8bada8dae 100644
--- a/odoo/osv/osv.py
+++ b/odoo/osv/osv.py
@@ -1,11 +1,11 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
-from ..exceptions import UserError
+from ..exceptions import except_orm
 from ..models import Model, TransientModel, AbstractModel
 
 # Deprecated, kept for backward compatibility.
-except_osv = UserError
+except_osv = except_orm
 
 # Deprecated, kept for backward compatibility.
 osv = Model