diff --git a/addons/base_setup/tests/test_res_config.py b/addons/base_setup/tests/test_res_config.py
index ab24395a9de..68e1ca126fa 100644
--- a/addons/base_setup/tests/test_res_config.py
+++ b/addons/base_setup/tests/test_res_config.py
@@ -79,7 +79,7 @@ class TestResConfig(TransactionCase):
                 self.assertTrue(module.state != 'uninstalled',
                                 "All set modules should already be installed.")
         # if we try to install something, raise; so nothing should be installed
-        with patch('odoo.addons.base.models.ir_module.Module._button_immediate_function', new=just_raise):
+        with patch('odoo.addons.base.models.ir_module.Module.button_immediate_install', new=just_raise):
             self.config.execute()
 
     def test_install(self):
@@ -91,6 +91,6 @@ class TestResConfig(TransactionCase):
         module_to_install = next(m for m in config_fields['module'] if m.state == 'uninstalled')
         self.config[f'module_{module_to_install.name}'] = True
 
-        with patch('odoo.addons.base.models.ir_module.Module._button_immediate_function', new=just_raise):
+        with patch('odoo.addons.base.models.ir_module.Module.button_immediate_install', new=just_raise):
             with self.assertRaisesRegex(Exception, "We should not be here."):
                 self.config.execute()
diff --git a/odoo/addons/base/models/ir_module.py b/odoo/addons/base/models/ir_module.py
index a8ce7c0947a..a9bf07ce405 100644
--- a/odoo/addons/base/models/ir_module.py
+++ b/odoo/addons/base/models/ir_module.py
@@ -585,6 +585,9 @@ class Module(models.Model):
         }
 
     def _button_immediate_function(self, function):
+        if not self.env.registry.ready or self.env.registry._init:
+            raise UserError(_('The method _button_immediate_install cannot be called on init or non loaded registries. Please use button_install instead.'))
+
         if getattr(threading.current_thread(), 'testing', False):
             raise RuntimeError(
                 "Module operations inside tests are not transactional and thus forbidden.\n"