diff --git a/tacker/vm/drivers/heat/heat.py b/tacker/vm/drivers/heat/heat.py
index b65a75975..3dbe0f8da 100644
--- a/tacker/vm/drivers/heat/heat.py
+++ b/tacker/vm/drivers/heat/heat.py
@@ -152,7 +152,7 @@ class DeviceHeat(abstract_driver.DeviceAbstractDriver):
             port_dict = {
                 'type': 'OS::Neutron::Port',
                 'properties': {
-                    'port_security_enabled': False
+                    'value_specs': {'port_security_enabled': False}
                 }
             }
             port_dict['properties'].setdefault('fixed_ips', [])