From b977d880ce1646ea3c6f2734302991151b11fafe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Thu, 10 Sep 2026 08:11:03 +0200
Subject: [PATCH] Copy the field used for Function field

Closes #15079
---
 trytond/trytond/model/fields/function.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/trytond/trytond/model/fields/function.py b/trytond/trytond/model/fields/function.py
index 8b601d9717..cfcd197f2b 100644
--- a/trytond/trytond/model/fields/function.py
+++ b/trytond/trytond/model/fields/function.py
@@ -41,7 +41,7 @@ class Function(Field):
             ``lazy`` or ``eager``.
         '''
         assert isinstance(field, Field)
-        self._field = field
+        self._field = copy.deepcopy(field)
         self._type = field._type
         self.getter = getter
         self.getter_with_context = getter_with_context