diff --git a/src/core/worker.js b/src/core/worker.js
index 570cf9353..b77437fcf 100644
--- a/src/core/worker.js
+++ b/src/core/worker.js
@@ -544,6 +544,7 @@ class WorkerMessageHandler {
           },
           reason => {
             finishWorkerTask(task);
+            throw reason;
           }
         );
       });