diff --git a/sushy/resources/system/ethernet_interface.py b/sushy/resources/system/ethernet_interface.py
index 53c3c39a..962cf3f5 100644
--- a/sushy/resources/system/ethernet_interface.py
+++ b/sushy/resources/system/ethernet_interface.py
@@ -26,7 +26,7 @@ LOG = logging.getLogger(__name__)
 class EthernetInterface(base.ResourceBase):
     """This class adds the EthernetInterface resource"""
 
-    identity = base.Field('Id', required=True)
+    identity = base.Field('Id')
     """The Ethernet Interface identity string"""
 
     name = base.Field('Name')