diff --git a/module_auto_update/tests/sample_module/models/stuff.pyo b/module_auto_update/tests/sample_module/models/stuff.pyo
new file mode 100644
index 000000000..b592f1984
Binary files /dev/null and b/module_auto_update/tests/sample_module/models/stuff.pyo differ
diff --git a/module_auto_update/tests/test_addon_hash.py b/module_auto_update/tests/test_addon_hash.py
index 7523b8ec4..3827c5aed 100644
--- a/module_auto_update/tests/test_addon_hash.py
+++ b/module_auto_update/tests/test_addon_hash.py
@@ -38,6 +38,7 @@ class TestAddonHash(unittest.TestCase):
             'i18n_extra/nl_NL.po',
             'models/stuff.py',
             'models/stuff.pyc',
+            'models/stuff.pyo',
             'static/src/some.js',
         ])