diff --git a/tests/test_backend.py b/tests/test_backend.py
index 3bc743e05f..d7079ba614 100644
--- a/tests/test_backend.py
+++ b/tests/test_backend.py
@@ -326,7 +326,7 @@ class TokenTests(object):
 
     def test_expired_token(self):
         token_id = uuid.uuid4().hex
-        expire_time = datetime.datetime.now() - datetime.timedelta(minutes=1)
+        expire_time = datetime.datetime.utcnow() - datetime.timedelta(minutes=1)
         data = {'id': token_id, 'a': 'b', 'expires': expire_time}
         data_ref = self.token_api.create_token(token_id, data)
         self.assertDictEqual(data_ref, data)
diff --git a/tests/test_backend_memcache.py b/tests/test_backend_memcache.py
index 60112a6fea..2c07580b86 100644
--- a/tests/test_backend_memcache.py
+++ b/tests/test_backend_memcache.py
@@ -42,7 +42,7 @@ class MemcacheClient(object):
         """Retrieves the value for a key or None."""
         self.check_key(key)
         obj = self.cache.get(key)
-        now = time.mktime(datetime.datetime.utcnow().timetuple())
+        now = time.mktime(datetime.datetime.utcnow().utctimetuple())
         if obj and (obj[1] == 0 or obj[1] > now):
             return obj[0]
         else: