diff --git a/examples/tutorials/pong/steps/step4/main.py b/examples/tutorials/pong/steps/step4/main.py
index 33691a56f..febc34b6c 100644
--- a/examples/tutorials/pong/steps/step4/main.py
+++ b/examples/tutorials/pong/steps/step4/main.py
@@ -8,7 +8,7 @@ from random import randint
 
 
 class PongBall(Widget):
-    velocity_x = NumericProperty(1)
+    velocity_x = NumericProperty(0)
     velocity_y = NumericProperty(0)
     velocity = ReferenceListProperty(velocity_x, velocity_y)