diff --git a/static/js/youtube.js b/static/js/youtube.js
index 549a610f..201fb8b1 100755
--- a/static/js/youtube.js
+++ b/static/js/youtube.js
@@ -112,6 +112,8 @@ $(document).ready(function()
 			//loadjsfile("static/js/jazzscript.js");
 			//peis = true;
 		}
+		if(navigator.userAgent.toLowerCase().indexOf("firefox") > -1) //quickdickfix for firefoxs weird percent handling
+			$(".main").height(window.innerHeight-64);
 	}
 });