diff --git a/src/service/network.ts b/src/service/network.ts
index f2c6824..983e77e 100644
--- a/src/service/network.ts
+++ b/src/service/network.ts
@@ -189,7 +189,7 @@ class Wired extends Service {
         this._device = device;
 
         // TODO make signals actually signal when they should
-        this._device.connect('notify::speed', () => {
+        this._device?.connect('notify::speed', () => {
             this.emit('changed');
             ['speed', 'internet', 'state', 'icon-name']
                 .map(prop => this.notify(prop));