diff --git a/nova/api/openstack/compute/servers.py b/nova/api/openstack/compute/servers.py
index ed44746924..02d2fcdb58 100644
--- a/nova/api/openstack/compute/servers.py
+++ b/nova/api/openstack/compute/servers.py
@@ -726,6 +726,7 @@ class ServersController(wsgi.Controller):
                 exception.MemoryPageSizeInvalid,
                 exception.MemoryPageSizeForbidden,
                 exception.PciRequestAliasNotDefined,
+                exception.PciInvalidAlias,
                 exception.RealtimeConfigurationInvalid,
                 exception.RealtimeMaskNotFoundOrInvalid,
                 exception.SnapshotNotFound,
diff --git a/nova/tests/unit/api/openstack/compute/test_serversV21.py b/nova/tests/unit/api/openstack/compute/test_serversV21.py
index 170a54c7ba..93fb95dfa0 100644
--- a/nova/tests/unit/api/openstack/compute/test_serversV21.py
+++ b/nova/tests/unit/api/openstack/compute/test_serversV21.py
@@ -6068,8 +6068,18 @@ class ServersControllerCreateTest(test.TestCase):
                            alias='fake_name'))
     def test_create_instance_pci_alias_not_defined(self, mock_create):
         # Tests that PciRequestAliasNotDefined is translated to a 400 error.
-        self.assertRaises(webob.exc.HTTPBadRequest,
-                          self._test_create_extra, {})
+        ex = self.assertRaises(webob.exc.HTTPBadRequest,
+                               self._test_create_extra, {})
+        self.assertIn('PCI alias fake_name is not defined', six.text_type(ex))
+
+    @mock.patch.object(compute_api.API, 'create',
+                       side_effect=exception.PciInvalidAlias(
+                           reason='just because'))
+    def test_create_instance_pci_invalid_alias(self, mock_create):
+        # Tests that PciInvalidAlias is translated to a 400 error.
+        ex = self.assertRaises(webob.exc.HTTPBadRequest,
+                               self._test_create_extra, {})
+        self.assertIn('Invalid PCI alias definition', six.text_type(ex))
 
     def test_create_instance_with_user_data(self):
         value = base64.encode_as_text("A random string")