diff --git a/static/app.js b/static/app.js
index 80a0c32..5b166d0 100644
--- a/static/app.js
+++ b/static/app.js
@@ -757,6 +757,7 @@ pomodoroBtn.addEventListener('click', () => {
 
 function clearPomodoroTimer() {
   if (pomodoroTimer) { clearTimeout(pomodoroTimer); pomodoroTimer = null; }
+  pomodoroBtn.classList.remove('ringing');
 }
 
 let _audioCtx = null;