diff --git a/web/spin-wheel/index.html b/web/spin-wheel/index.html
index c3b3086..f0e8a3b 100644
--- a/web/spin-wheel/index.html
+++ b/web/spin-wheel/index.html
@@ -67,7 +67,7 @@ function draw() {
          card();
     } 
   }
-  image (img,0,0,250,250);
+  image (img,0,0,windowWidth/2, windowWidth/2);
 }
 </script>
 </head>