diff --git a/neutron-powervc/powervc/neutron/common/constants.py b/neutron-powervc/powervc/neutron/common/constants.py
index 8faf50d..42a4b88 100644
--- a/neutron-powervc/powervc/neutron/common/constants.py
+++ b/neutron-powervc/powervc/neutron/common/constants.py
@@ -48,7 +48,8 @@ SUBNET_UPDATE_FIELDS = ['name',
 PORT_CREATE_FIELDS = ['name',
                       'mac_address',
                       'device_owner']
-PORT_UPDATE_FIELDS = ['name']
+PORT_UPDATE_FIELDS = ['name',
+                      'mac_address']
 
 # amqp message handling
 AMQP_EXCHANGE = 'neutron'