diff --git a/backend/lib/is-online.mjs b/backend/lib/is-online.mjs
index 5218179..5d46cdc 100644
--- a/backend/lib/is-online.mjs
+++ b/backend/lib/is-online.mjs
@@ -8,19 +8,24 @@ export class ConnectivityCheck extends Readable {
     super()
     this.opts = opts
     this.retryInterval = opts.retryInterval || 2000
-    this._action({ internet: false })
+    this._lastState = { internet: false }
+    this._action(this._lastState)
     this._update()
   }
 
   async _update () {
+    let nextState
     try {
       const hasInternet = await isOnline(this.opts)
-      this._action({ internet: hasInternet })
+      nextState = { internet: hasInternet }
     } catch (err) {
-      this._action({ internet: false })
+      nextState = { internet: hasInternet }
     } finally {
       this._timeout = setTimeout(() => this._update(), this.retryInterval)
     }
+    nextState.changed = nextState.internet !== this._lastState.internet
+    this._action(nextState)
+    this._lastState = nextState
   }
 
   _destroy () {