diff --git a/schemas/openbmc-dbus.json b/schemas/openbmc-dbus.json
index 24f71b9..528d2b2 100644
--- a/schemas/openbmc-dbus.json
+++ b/schemas/openbmc-dbus.json
@@ -118,6 +118,11 @@
                         },
                         "Chassis": {
                             "additionalProperties": false,
+                            "properties": {
+                                "ChassisType": {
+                                    "type": "string"
+                                }
+                            },
                             "type": "object"
                         },
                         "NetworkInterface": {