diff --git a/nova/objects/fields.py b/nova/objects/fields.py
index ccf813887af6..842dbb497dcc 100644
--- a/nova/objects/fields.py
+++ b/nova/objects/fields.py
@@ -481,6 +481,10 @@ class IPV6AddressField(AutoTypedField):
     AUTO_TYPE = IPV6Address()
 
 
+class IPV4AndV6AddressField(AutoTypedField):
+    AUTO_TYPE = IPV4AndV6Address()
+
+
 class IPNetworkField(AutoTypedField):
     AUTO_TYPE = IPNetwork()
 
diff --git a/nova/objects/fixed_ip.py b/nova/objects/fixed_ip.py
index 8357f78f7273..d39f57701d30 100644
--- a/nova/objects/fixed_ip.py
+++ b/nova/objects/fixed_ip.py
@@ -32,7 +32,7 @@ class FixedIP(obj_base.NovaPersistentObject, obj_base.NovaObject):
 
     fields = {
         'id': fields.IntegerField(),
-        'address': fields.IPV4AndV6Address(),
+        'address': fields.IPV4AndV6AddressField(),
         'network_id': fields.IntegerField(nullable=True),
         'virtual_interface_id': fields.IntegerField(nullable=True),
         'instance_uuid': fields.UUIDField(nullable=True),