diff --git a/index.js b/index.js
index d983944..dc4fe6a 100644
--- a/index.js
+++ b/index.js
@@ -588,7 +588,7 @@ window.onload = function () {
 
       ctx.fillRect(x * mt, y * mt, mt, mt)
 
-      if(Game.state == 2 && tile != 1 && !getTowerAt(x, y) && !canPlaceTowerAt(x, y)) {
+      if(Game.state == 2 && tile == 0 && !getTowerAt(x, y) && !canPlaceTowerAt(x, y)) {
         ctx.fillStyle = 'rgba(255, 0, 0, 0.45)'
         ctx.fillRect(x * mt, y * mt, mt, mt)
       }