diff --git a/semag/roughdino/index.html b/semag/roughdino/index.html
index 4025a608..f674ec9b 100644
--- a/semag/roughdino/index.html
+++ b/semag/roughdino/index.html
@@ -93,8 +93,8 @@
       } else {
         // Desktop style: Render the game canvas in a window that can be maximized to fullscreen:
 
-        canvas.style.width = "960px";
-        canvas.style.height = "600px";
+        canvas.style.width = "100%";
+        canvas.style.height = "100%";
       }
 
       loadingBar.style.display = "block";