diff --git a/rally/plugins/openstack/wrappers/network.py b/rally/plugins/openstack/wrappers/network.py
index 4a499585..f5cbd1c5 100644
--- a/rally/plugins/openstack/wrappers/network.py
+++ b/rally/plugins/openstack/wrappers/network.py
@@ -112,6 +112,21 @@ class NovaNetworkWrapper(NetworkWrapper):
             cidr = generate_cidr(start_cidr=self.start_cidr)
         return cidr
 
+    def _marshal_network_object(self, net_obj):
+        """Convert a Network object to a dict.
+
+        This helps keep return values from the NovaNetworkWrapper
+        compatible with those from NeutronWrapper.
+
+        :param net_obj: The Network object to convert to a dict
+        """
+        return {"id": net_obj.id,
+                "cidr": net_obj.cidr,
+                "name": net_obj.label,
+                "status": "ACTIVE",
+                "external": False,
+                "tenant_id": net_obj.project_id}
+
     def create_network(self, tenant_id, **kwargs):
         """Create network.
 
@@ -123,18 +138,14 @@ class NovaNetworkWrapper(NetworkWrapper):
         label = utils.generate_random_name("rally_net_")
         network = self.client.networks.create(
             tenant_id=tenant_id, cidr=cidr, label=label)
-        return {"id": network.id,
-                "cidr": network.cidr,
-                "name": network.label,
-                "status": "ACTIVE",
-                "external": False,
-                "tenant_id": tenant_id}
+        return self._marshal_network_object(network)
 
     def delete_network(self, network):
         return self.client.networks.delete(network["id"])
 
     def list_networks(self):
-        return self.client.networks.list()
+        return [self._marshal_network_object(n)
+                for n in self.client.networks.list()]
 
     def create_floating_ip(self, ext_network=None, **kwargs):
         """Allocate a floating ip from the given nova-network pool
diff --git a/tests/unit/plugins/openstack/wrappers/test_network.py b/tests/unit/plugins/openstack/wrappers/test_network.py
index deae8b3e..1dee0822 100644
--- a/tests/unit/plugins/openstack/wrappers/test_network.py
+++ b/tests/unit/plugins/openstack/wrappers/test_network.py
@@ -30,6 +30,8 @@ class NovaNetworkWrapperTestCase(test.TestCase):
 
     class Net(object):
         def __init__(self, **kwargs):
+            if "tenant_id" in kwargs:
+                kwargs["project_id"] = kwargs.pop("tenant_id")
             self.__dict__.update(kwargs)
 
     def get_wrapper(self, *skip_cidrs, **kwargs):
@@ -88,9 +90,18 @@ class NovaNetworkWrapperTestCase(test.TestCase):
 
     def test_list_networks(self):
         service = self.get_wrapper()
-        service.client.networks.list.return_value = "foo_list"
         service.client.networks.list.reset_mock()
-        self.assertEqual(service.list_networks(), "foo_list")
+        service.client.networks.list.return_value = [
+            self.Net(id="foo_id", project_id="foo_tenant", cidr="foo_cidr",
+                     label="foo_label"),
+            self.Net(id="bar_id", project_id="bar_tenant", cidr="bar_cidr",
+                     label="bar_label")]
+        expected = [
+            {"id": "foo_id", "cidr": "foo_cidr", "name": "foo_label",
+             "status": "ACTIVE", "external": False, "tenant_id": "foo_tenant"},
+            {"id": "bar_id", "cidr": "bar_cidr", "name": "bar_label",
+             "status": "ACTIVE", "external": False, "tenant_id": "bar_tenant"}]
+        self.assertEqual(expected, service.list_networks())
         service.client.networks.list.assert_called_once_with()
 
     def test__get_floating_ip(self):