diff --git a/ui/src/routes/devices.$id.settings.network.tsx b/ui/src/routes/devices.$id.settings.network.tsx
index 1811ca0..f48a7bd 100644
--- a/ui/src/routes/devices.$id.settings.network.tsx
+++ b/ui/src/routes/devices.$id.settings.network.tsx
@@ -77,7 +77,7 @@ export default function SettingsNetworkRoute() {
     useState<NetworkSettings>(defaultNetworkSettings);
 
   // We use this to determine whether the settings have changed
-  const firstNetworkSettings = useRef<NetworkSettings>();
+  const firstNetworkSettings = useRef<NetworkSettings | undefined>(undefined);
 
   const [networkSettingsLoaded, setNetworkSettingsLoaded] = useState(false);