diff --git a/src/js/script.js b/src/js/script.js
index ab439be76..c59aebd17 100644
--- a/src/js/script.js
+++ b/src/js/script.js
@@ -4939,6 +4939,7 @@ function handleAlpha(event) {
   if (/Numpad/.test(event.key)) return;
   if (/Volume/.test(event.key)) return;
   if (event.ctrlKey) return;
+  if (event.altKey) return;
   if (event.metaKey) return;
   event = emulateLayout(event);