diff --git a/odoo/addons/base/models/res_users.py b/odoo/addons/base/models/res_users.py
index 9e7e65cec9d..9308aaf71f7 100644
--- a/odoo/addons/base/models/res_users.py
+++ b/odoo/addons/base/models/res_users.py
@@ -280,8 +280,10 @@ class Users(models.Model):
     _order = 'name, login'
     _allow_sudo_commands = False
 
-    def _check_company_domain(self, companies=None):
-        return [('company_ids', 'in', models.to_company_ids(companies))] if companies else []
+    def _check_company_domain(self, companies):
+        if not companies:
+            return []
+        return [('company_ids', 'in', models.to_company_ids(companies))]
 
     @property
     def SELF_READABLE_FIELDS(self):
diff --git a/odoo/fields.py b/odoo/fields.py
index 4baede645ad..04083a0cfe4 100644
--- a/odoo/fields.py
+++ b/odoo/fields.py
@@ -2925,7 +2925,8 @@ class _Relational(Field):
             else:
                 cid = "id" if self.model_name == "res.company" else "company_id"
             company_domain = env[self.comodel_name]._check_company_domain(companies=unquote(cid))
-            return f"({cid} and {company_domain} or []) + ({domain or []})"
+            no_company_domain = env[self.comodel_name]._check_company_domain(companies='')
+            return f"({cid} and {company_domain} or {no_company_domain}) + ({domain or []})"
         return domain
 
 
diff --git a/odoo/models.py b/odoo/models.py
index 79eb7f9d35a..1a77dd270e2 100644
--- a/odoo/models.py
+++ b/odoo/models.py
@@ -4000,6 +4000,8 @@ class BaseModel(metaclass=MetaModel):
         :param companies: the allowed companies for the related record
         :type companies: BaseModel or list or tuple or int or unquote
         """
+        if not companies:
+            return [('company_id', '=', False)]
         return ['|', ('company_id', '=', False), ('company_id', 'in', to_company_ids(companies))]
 
     def _check_company(self, fnames=None):