diff --git a/tests/storage/test_http.py b/tests/storage/test_http.py
index 7453b1c..3737a00 100644
--- a/tests/storage/test_http.py
+++ b/tests/storage/test_http.py
@@ -59,6 +59,7 @@ class TestHttpStorage(object):
 
         for href, etag in s.list():
             item, etag2 = s.get(href)
+            assert item.uid is None
             assert etag2 == etag
             found_items[item.raw.strip()] = href
 
@@ -66,5 +67,6 @@ class TestHttpStorage(object):
 
         for href, etag in s.list():
             item, etag2 = s.get(href)
+            assert item.uid is None
             assert etag2 == etag
             assert found_items[item.raw.strip()] == href