diff --git a/java/examples/Topics/Motion/Reflection2/Orb.pde b/java/examples/Topics/Motion/Reflection2/Orb.pde
index ab033a911..a3e0d534a 100644
--- a/java/examples/Topics/Motion/Reflection2/Orb.pde
+++ b/java/examples/Topics/Motion/Reflection2/Orb.pde
@@ -26,13 +26,11 @@ class Orb {
   void checkWallCollision() {
     if (position.x > width-r) {
       position.x = width-r;
-      velocity.x *= -1;
-      velocity.x *= damping;
+      velocity.x *= -damping;
     } 
     else if (position.x < r) {
       position.x = r;
-      velocity.x *= -1;
-      velocity.x *= damping;
+      velocity.x *= -damping;
     }
   }