diff --git a/examples/neuroevolution-flappybird/bird.js b/examples/neuroevolution-flappybird/bird.js
index 2cccc5b..2cfa5db 100644
--- a/examples/neuroevolution-flappybird/bird.js
+++ b/examples/neuroevolution-flappybird/bird.js
@@ -62,7 +62,7 @@ class Bird {
     let closest = null;
     let record = Infinity;
     for (let i = 0; i < pipes.length; i++) {
-      let diff = pipes[i].x - this.x;
+      let diff = pipes[i].x - this.x + pipes[i].w;
       if (diff > 0 && diff < record) {
         record = diff;
         closest = pipes[i];
@@ -111,4 +111,4 @@ class Bird {
     // Every frame it is alive increases the score
     this.score++;
   }
-}
\ No newline at end of file
+}