diff --git a/hostapps/update.py b/hostapps/update.py
index e8ef3f0..4fd73e3 100644
--- a/hostapps/update.py
+++ b/hostapps/update.py
@@ -4,6 +4,7 @@ import ipaddress
 import json
 import os
 import pathlib
+import re
 
 import click
 import pynetbox
@@ -51,6 +52,7 @@ def main():
                         "manufacturer": device.device_type.manufacturer.name,
                         "model": device.device_type.model,
                         "part_number": device.device_type.part_number,
+                        "class": re.sub(r"[^a-zA-Z0-9_]", "_", name),
                     }
 
         print(name, str(ipaddress.ip_interface(device.primary_ip4.address).ip))
@@ -82,6 +84,7 @@ def main():
                         "manufacturer": device.device_type.manufacturer.name,
                         "model": device.device_type.model,
                         "part_number": device.device_type.part_number,
+                        "class": re.sub(r"[^a-zA-Z0-9_]", "_", name),
                     }
 
         print(name, str(ipaddress.ip_interface(device.primary_ip4.address).ip))