diff --git a/odoo/modules/module.py b/odoo/modules/module.py
index c93a630c0d4..7281207531c 100644
--- a/odoo/modules/module.py
+++ b/odoo/modules/module.py
@@ -68,13 +68,13 @@ _logger = logging.getLogger(__name__)
 class UpgradeHook(object):
     """Makes the legacy `migrations` package being `odoo.upgrade`"""
 
-    def find_module(self, name, path=None):
-        if re.match(r"^odoo\.addons\.base\.maintenance\.migrations\b", name):
+    def find_spec(self, fullname, path=None, target=None):
+        if re.match(r"^odoo\.addons\.base\.maintenance\.migrations\b", fullname):
             # We can't trigger a DeprecationWarning in this case.
             # In order to be cross-versions, the multi-versions upgrade scripts (0.0.0 scripts),
             # the tests, and the common files (utility functions) still needs to import from the
             # legacy name.
-            return self
+            return importlib.util.spec_from_loader(fullname, self)
 
     def load_module(self, name):
         assert name not in sys.modules