diff --git a/21g30t1e75.js b/21g30t1e75.js
index 3c63eaf..f371768 100644
--- a/21g30t1e75.js
+++ b/21g30t1e75.js
@@ -1160,9 +1160,13 @@ GameLib.CustomCode.prototype.extend = function(gameObject, position, orientation
         this.gameOver(true);
     }
 
+	this.extendSpeedGrain = (GameLib.CustomCode.SPEED_INITIAL - GameLib.CustomCode.MAX_SPEED) / ((GameLib.CustomCode.GRID_WIDTH * GameLib.CustomCode.GRID_HEIGHT) - this.snake.length)
+	
 	this.speed -= this.extendSpeedGrain;
 	
-	if (this.speed <
+	if (this.speed < GameLib.CustomCode.MAX_SPEED) {
+		this.speed = GameLib.CustomCode.MAX_SPEED;
+	}
 	
 	console.log('speed = ' + this.speed);