diff --git a/yaml/xyz/openbmc_project/Network/EthernetInterface.interface.yaml b/yaml/xyz/openbmc_project/Network/EthernetInterface.interface.yaml
index 5bbb6fd..4016cb4 100644
--- a/yaml/xyz/openbmc_project/Network/EthernetInterface.interface.yaml
+++ b/yaml/xyz/openbmc_project/Network/EthernetInterface.interface.yaml
@@ -72,6 +72,8 @@
           This property describes statically defined NTPServers on the
           interface. This property supports read/write operation. Configure the
           NTP servers on the system during write operation.
+      errors:
+          - xyz.openbmc_project.Common.Error.InvalidArgument
     - name: LinkLocalAutoConf
       type: enum[self.LinkLocalConf]
       description: >