diff --git a/.changeset/many-stingrays-joke.md b/.changeset/many-stingrays-joke.md
new file mode 100644
index 0000000000..d3457e1737
--- /dev/null
+++ b/.changeset/many-stingrays-joke.md
@@ -0,0 +1,5 @@
+---
+"livekit-client": patch
+---
+
+Register online listener in engine's join
diff --git a/src/room/RTCEngine.ts b/src/room/RTCEngine.ts
index 4db6f23a59..effe0912c3 100644
--- a/src/room/RTCEngine.ts
+++ b/src/room/RTCEngine.ts
@@ -211,7 +211,6 @@ export default class RTCEngine extends (EventEmitter as new () => TypedEventEmit
     this.client = new SignalClient(undefined, this.loggerOptions);
     this.client.signalLatency = this.options.expSignalLatency;
     this.reconnectPolicy = this.options.reconnectPolicy;
-    this.registerOnLineListener();
     this.closingLock = new Mutex();
     this.dataProcessLock = new Mutex();
     this.dcBufferStatus = new Map([
@@ -271,6 +270,7 @@ export default class RTCEngine extends (EventEmitter as new () => TypedEventEmit
         this.negotiate();
       }
 
+      this.registerOnLineListener();
       this.clientConfiguration = joinResponse.clientConfiguration;
       this.emit(EngineEvent.SignalConnected, joinResponse);
       return joinResponse;