diff --git a/odoo/service/server.py b/odoo/service/server.py
index b7127783472..bd795bc14f5 100644
--- a/odoo/service/server.py
+++ b/odoo/service/server.py
@@ -1175,7 +1175,7 @@ def load_test_file_py(registry, test_file):
         for mod in [m for m in get_modules() if '/%s/' % m in test_file]:
             for mod_mod in loader.get_test_modules(mod):
                 mod_path, _ = os.path.splitext(getattr(mod_mod, '__file__', ''))
-                if test_path == mod_path:
+                if test_path == config._normalize(mod_path):
                     tests = loader.unwrap_suite(
                         unittest.TestLoader().loadTestsFromModule(mod_mod))
                     suite = OdooSuite(tests)