diff --git a/tests/unit/test_scopes.py b/tests/unit/test_scopes.py
index e26a036e..874dee31 100644
--- a/tests/unit/test_scopes.py
+++ b/tests/unit/test_scopes.py
@@ -19,7 +19,7 @@ def test_empty_scope(self):
         normalized_scope_string = self.normalize_scope(scopes)
         normalized_scope_string_2 = self.normalize_scope(scope_string)
 
-        self.assertEqual(scope_string, None)
+        self.assertEqual(scope_string, "")
         self.assertEqual(normalized_scope_string, None)
         self.assertEqual(normalized_scope_string_2, None)