1 files changed, 5 insertions, 0 deletions
diff --git a/web_src/js/features/stopwatch.js b/web_src/js/features/stopwatch.js
index 61f19bd795..9352ef292d 100644
--- a/web_src/js/features/stopwatch.js
+++ b/web_src/js/features/stopwatch.js
@@ -55,6 +55,11 @@ export async function initStopwatch() {
         });
         worker.port.close();
         window.location.href = AppSubUrl;
+      } else if (event.data.type === 'close') {
+        worker.port.postMessage({
+          type: 'close',
+        });
+        worker.port.close();
       }
     });
     worker.port.addEventListener('error', (e) => {