diff --git a/swift/common/middleware/account_quotas.py b/swift/common/middleware/account_quotas.py
index 53e1c2dbc1..5b7731b81f 100644
--- a/swift/common/middleware/account_quotas.py
+++ b/swift/common/middleware/account_quotas.py
@@ -109,7 +109,7 @@ class AccountQuotaMiddleware(object):
 
         account_info = get_account_info(request.environ, self.app,
                                         swift_source='AQ')
-        if not account_info or not account_info['bytes']:
+        if not account_info:
             return self.app
         try:
             quota = int(account_info['meta'].get('quota-bytes', -1))
diff --git a/test/unit/common/middleware/test_account_quotas.py b/test/unit/common/middleware/test_account_quotas.py
index 4abc560077..e6f095bf0d 100644
--- a/test/unit/common/middleware/test_account_quotas.py
+++ b/test/unit/common/middleware/test_account_quotas.py
@@ -210,6 +210,34 @@ class TestAccountQuota(unittest.TestCase):
         res = req.get_response(app)
         self.assertEqual(res.status_int, 200)
 
+    def test_exceed_quota_bytes_on_empty_account_not_authorized(self):
+        headers = [('x-account-bytes-used', '0'),
+                   ('x-account-meta-quota-bytes', '10')]
+        app = FakeAuthFilter(
+            account_quotas.AccountQuotaMiddleware(FakeApp(headers)))
+        cache = FakeCache(None)
+        req = Request.blank('/v1/a/c/o', method='PUT',
+                            headers={'x-auth-token': 'secret',
+                                     'content-length': '100'},
+                            environ={'swift.cache': cache})
+        res = req.get_response(app)
+        self.assertEqual(res.status_int, 413)
+        self.assertEqual(res.body, b'Upload exceeds quota.')
+
+    def test_exceed_quota_bytes_not_authorized(self):
+        headers = [('x-account-bytes-used', '100'),
+                   ('x-account-meta-quota-bytes', '1000')]
+        app = FakeAuthFilter(
+            account_quotas.AccountQuotaMiddleware(FakeApp(headers)))
+        cache = FakeCache(None)
+        req = Request.blank('/v1/a/c/o', method='PUT',
+                            headers={'x-auth-token': 'secret',
+                                     'content-length': '901'},
+                            environ={'swift.cache': cache})
+        res = req.get_response(app)
+        self.assertEqual(res.status_int, 413)
+        self.assertEqual(res.body, b'Upload exceeds quota.')
+
     def test_over_quota_container_create_still_works(self):
         headers = [('x-account-bytes-used', '1001'),
                    ('x-account-meta-quota-bytes', '1000')]