diff --git a/src/core/worker.js b/src/core/worker.js
index 1b6accb852927..a85b5aad19fc7 100644
--- a/src/core/worker.js
+++ b/src/core/worker.js
@@ -319,7 +319,9 @@ class WorkerMessageHandler {
       }
 
       function onFailure(ex) {
-        ensureNotTerminated();
+        if (terminated) {
+          return;
+        }
 
         if (ex instanceof PasswordException) {
           const task = new WorkerTask(`PasswordException: response ${ex.code}`);