diff --git a/src/RealtimeClient.ts b/src/RealtimeClient.ts
index d1302ad..021ed70 100755
--- a/src/RealtimeClient.ts
+++ b/src/RealtimeClient.ts
@@ -680,6 +680,7 @@ export default class RealtimeClient {
     this.log('transport', `${error}`)
     this._triggerChanError()
     this._triggerStateCallbacks('error', error)
+    this.heartbeatCallback('error')
   }
 
   /** @internal */