diff --git a/tracker/tracker/src/webworker/index.ts b/tracker/tracker/src/webworker/index.ts
index 656796b98..f192730b0 100644
--- a/tracker/tracker/src/webworker/index.ts
+++ b/tracker/tracker/src/webworker/index.ts
@@ -136,13 +136,15 @@ self.onmessage = ({ data }: any): any => {
 
   if (data.type === 'auth') {
     if (!sender) {
-      throw new Error('WebWorker: sender not initialised. Received auth.')
+      console.debug('WebWorker: sender not initialised. Received auth.')
     }
     if (!writer) {
-      throw new Error('WebWorker: writer not initialised. Received auth.')
+      console.debug('WebWorker: writer not initialised. Received auth.')
+    }
+    if (sender && writer) {
+      sender.authorise(data.token)
+      data.beaconSizeLimit && writer.setBeaconSizeLimit(data.beaconSizeLimit)
     }
-    sender.authorise(data.token)
-    data.beaconSizeLimit && writer.setBeaconSizeLimit(data.beaconSizeLimit)
     return
   }
 }