diff --git a/www/assets/js/music.js b/www/assets/js/music.js
index 41a6a41..f8838ff 100644
--- a/www/assets/js/music.js
+++ b/www/assets/js/music.js
@@ -141,3 +141,10 @@ document.querySelector("#title-screen").addEventListener("click", function () {
     setVolume();
     sfxOpen.play();
 });
+
+document.addEventListener("visibilitychange", function () {
+	bgmDungeon.stop();
+	bgmBattleMain.stop();
+	bgmBattleGuardian.stop();
+	bgmBattleBoss.stop();
+});