diff --git a/src/arenas/tron/js.js b/src/arenas/tron/js.js
index 847dd67..dd03c32 100644
--- a/src/arenas/tron/js.js
+++ b/src/arenas/tron/js.js
@@ -8,7 +8,7 @@ function createElem(type,attributes){
function tron(bot1,bot2,xdcheck){
- var mapImg = createElem('svg',{'alt' : 'map','width':'200','height':'200','xmlns':'http://www.w3.org/2000/svg','viewBox':'0 0 20 20'});
+ var mapImg = createElem('svg',{'version':'1.1','alt' : 'map','width':'200','height':'200','xmlns':'http://www.w3.org/2000/svg','viewBox':'0 0 20 20'});
// "circle" may be any tag name
mapImg.innerHTML = '