diff --git a/html5/index.htm b/html5/index.htm
index 67145ac..1b8936a 100644
--- a/html5/index.htm
+++ b/html5/index.htm
@@ -37,15 +37,19 @@ var zoom_mode = 0;
 function toggle_2x_mode()
 {
     zoom_mode = (~zoom_mode) & 0x01;
+
     var brdr = document.getElementById("cdg_border");
     var cnvs = document.getElementById("cdg_canvas");
     var audi = document.getElementById("cdg_audio");
+
+    audi.style.width  = (zoom_mode) ? 648 + "px" : 324 + "px";
+
     brdr.style.width  = (zoom_mode) ? 648 + "px" : 324 + "px";
-    cnvs.style.width  = (zoom_mode) ? 576 + "px" : 288 + "px";
     brdr.style.height = (zoom_mode) ? 432 + "px" : 216 + "px";
+
+    cnvs.style.width  = (zoom_mode) ? 576 + "px" : 288 + "px";
     cnvs.style.height = (zoom_mode) ? 384 + "px" : 192 + "px";
     cnvs.style.padding= (zoom_mode) ?  24 + "px" :  12 + "px";
-    audi.style.width  = (zoom_mode) ? 648 + "px" : 324 + "px";
 };
 </script>