diff --git a/frontend/src/App.svelte b/frontend/src/App.svelte
index 9d56bbd..cc9368d 100644
--- a/frontend/src/App.svelte
+++ b/frontend/src/App.svelte
@@ -122,6 +122,9 @@
   function playBeep(frequency, duration, type = 'sine') {
     try {
       const ctx = getAudioContext()
+      if (ctx.state === 'suspended') {
+        ctx.resume()
+      }
       const oscillator = ctx.createOscillator()
       const gainNode = ctx.createGain()