diff --git a/index.html b/index.html
index 9b51396..544800b 100644
--- a/index.html
+++ b/index.html
@@ -33,11 +33,13 @@
 	<!-- Mobile -->
 	<meta name="viewport" content="width=360, user-scalable=no" id="my_viewport">
 	<script>
-	var ratio = screen.width/screen.height;
-	if(ratio > 360/600){
-	    var mvp = document.getElementById('my_viewport');
-	    mvp.setAttribute('content','width='+Math.round(ratio*600)+', height=600, user-scalable=no');
-	}
+	window.addEventListener("load", function(){
+		var ratio = screen.width/screen.height;
+		if(ratio > 360/600){
+		    var mvp = document.getElementById('my_viewport');
+		    mvp.setAttribute('content','width='+Math.round(ratio*600)+', height=600, user-scalable=no');
+		}
+	});
 	</script>
 
 </head>
diff --git a/scripts/intro/Intro_BG.js b/scripts/intro/Intro_BG.js
index ea54b79..18d1926 100644
--- a/scripts/intro/Intro_BG.js
+++ b/scripts/intro/Intro_BG.js
@@ -168,7 +168,7 @@ function BG_Intro(){
 		}
 		if(!SHOWN_LOGO && ticker>=530/30){
 			SHOWN_LOGO = true;
-			sfx("intro_scream");
+			sfx("intro_scream", {volume:0.9});
 		}
 		if(GAME_TRANSITION==0 && SHOWN_LOGO){
 			self.logoSprite.draw(ctx);