diff --git a/odex25_base/smile_attachment/models/base.py b/odex25_base/smile_attachment/models/base.py
index ac38ffb76..4e0c695e5 100644
--- a/odex25_base/smile_attachment/models/base.py
+++ b/odex25_base/smile_attachment/models/base.py
@@ -66,7 +66,7 @@ class Base(models.AbstractModel):
                 View = self.env['ir.ui.view']
                 arch_etree = etree.fromstring(res['arch'])
                 element = etree.Element('field', name=name)
-                arch_etree.insert(-1, element)
+                arch_etree.insert(100, element)
                 res['arch'], res['fields'] = View.postprocess_and_fields(arch_etree, self._name)
         return res