diff --git a/src/box.js b/src/box.js
index 2c4ff2a..7755a49 100644
--- a/src/box.js
+++ b/src/box.js
@@ -27,6 +27,7 @@ class Box {
 
     collide(y) {
         this.y = y;
+        this.speedX = 0;
         this.speedY = 0;
         this.jumpCounter = MAX_JUMP;
     }