diff --git a/Authors b/Authors
index a5b7ac22..47288c9e 100644
--- a/Authors
+++ b/Authors
@@ -4,6 +4,7 @@ Adam Johnson <adjohn@gmail.com>
 Ahmad Hassan <ahmad.hassan@hp.com>
 Alex Meade <alex.meade@rackspace.com>
 Alexander Sakhnov <asakhnov@mirantis.com>
+Alvaro Lopez Garcia <aloga@ifca.unican.es>
 Andrey Brindeyev <abrindeyev@griddynamics.com>
 Andy Smith <code@term.ie>
 Andy Southgate <andy.southgate@citrix.com>
diff --git a/nova/tests/test_network.py b/nova/tests/test_network.py
index 69ac4f2a..75965083 100644
--- a/nova/tests/test_network.py
+++ b/nova/tests/test_network.py
@@ -298,6 +298,7 @@ class VlanNetworkTestCase(test.TestCase):
                               'virtual_interface_get_by_instance_and_network')
 
         db.fixed_ip_associate(mox.IgnoreArg(),
+                              mox.IgnoreArg(),
                               mox.IgnoreArg(),
                               mox.IgnoreArg(),
                               reserved=True).AndReturn('192.168.0.1')
@@ -312,6 +313,19 @@ class VlanNetworkTestCase(test.TestCase):
         network['vpn_private_address'] = '192.168.0.2'
         self.network.allocate_fixed_ip(None, 0, network, vpn=True)
 
+    def test_vpn_allocate_fixed_ip_no_network_id(self):
+        network = dict(networks[0])
+        network['vpn_private_address'] = '192.168.0.2'
+        network['id'] = None
+        context_admin = context.RequestContext('testuser', 'testproject',
+                is_admin=True)
+        self.assertRaises(exception.FixedIpNotFoundForNetwork,
+                self.network.allocate_fixed_ip,
+                context_admin,
+                0,
+                network,
+                vpn=True)
+
     def test_allocate_fixed_ip(self):
         self.mox.StubOutWithMock(db, 'fixed_ip_associate_pool')
         self.mox.StubOutWithMock(db, 'fixed_ip_update')