diff --git a/neutron/extensions/allowedaddresspairs.py b/neutron/extensions/allowedaddresspairs.py
index ad4f310b74..fa089ba535 100644
--- a/neutron/extensions/allowedaddresspairs.py
+++ b/neutron/extensions/allowedaddresspairs.py
@@ -117,6 +117,8 @@ class Allowedaddresspairs(object):
 
     def get_extended_resources(self, version):
         if version == "2.0":
+            attr.PLURALS.update({'allowed_address_pairs':
+                                 'allowed_address_pair'})
             return EXTENDED_ATTRIBUTES_2_0
         else:
             return {}
diff --git a/neutron/tests/unit/test_extension_allowedaddresspairs.py b/neutron/tests/unit/test_extension_allowedaddresspairs.py
index 3e928350c9..f036e19f2b 100644
--- a/neutron/tests/unit/test_extension_allowedaddresspairs.py
+++ b/neutron/tests/unit/test_extension_allowedaddresspairs.py
@@ -99,10 +99,6 @@ class AllowedAddressPairDBTestCase(AllowedAddressPairTestCase):
         super(AllowedAddressPairDBTestCase, self).tearDown()
 
 
-class AllowedAddressPairDBTestCaseXML(AllowedAddressPairDBTestCase):
-    fmt = 'xml'
-
-
 class TestAllowedAddressPairs(AllowedAddressPairDBTestCase):
 
     def test_create_port_allowed_address_pairs(self):
@@ -297,3 +293,7 @@ class TestAllowedAddressPairs(AllowedAddressPairDBTestCase):
             port = self.deserialize(self.fmt, req.get_response(self.api))
             self.assertEqual(port['port'][addr_pair.ADDRESS_PAIRS], [])
             self._delete('ports', port['port']['id'])
+
+
+class TestAllowedAddressPairsXML(TestAllowedAddressPairs):
+    fmt = 'xml'