diff --git a/js/youtube.js b/js/youtube.js
index 008d85f2..20516d76 100755
--- a/js/youtube.js
+++ b/js/youtube.js
@@ -351,7 +351,7 @@ function onPlayerReady(event) {
 	}
 
 function setBGimage(id){
-	if(window.mozInnerScreenX === null && !window.mobilecheck()){
+	if(window.mozInnerScreenX == null && !window.mobilecheck()){
 		$("#bgimage").css("background-image", "url(http://img.youtube.com/vi/"+id+"/0.jpg)");
 	}else if(window.mobilecheck()){
 		$("#mobile-banner").css("background-image", "url(http://img.youtube.com/vi/"+id+"/hqdefault.jpg)");