diff --git a/core/src/com/me/brickbuster/entity/Ball.java b/core/src/com/me/brickbuster/entity/Ball.java
index 4a89b6a..cc9d5e6 100644
--- a/core/src/com/me/brickbuster/entity/Ball.java
+++ b/core/src/com/me/brickbuster/entity/Ball.java
@@ -96,8 +96,7 @@ public class Ball extends Entity implements PhysicsBody, CollisionListener {
 
 		ballFixture.filter.categoryBits = EntityType.BALL;
 		ballFixture.filter.maskBits = EntityType.BOUNDARY | EntityType.BRICK
-						| EntityType.PADDLE | EntityType.POWER_UP
-						| EntityType.SHIELD;
+						| EntityType.PADDLE | EntityType.SHIELD;
 
 		body = state.world.createBody(ballBody);
 		body.createFixture(ballFixture);
diff --git a/core/src/com/me/brickbuster/entity/powerup/PowerUp.java b/core/src/com/me/brickbuster/entity/powerup/PowerUp.java
index 45f4c88..a23052b 100644
--- a/core/src/com/me/brickbuster/entity/powerup/PowerUp.java
+++ b/core/src/com/me/brickbuster/entity/powerup/PowerUp.java
@@ -75,7 +75,7 @@ public abstract class PowerUp extends Entity implements PhysicsBody, CollisionLi
 		ballFixture.isSensor = true;
 
 		ballFixture.filter.categoryBits = EntityType.POWER_UP;
-		ballFixture.filter.maskBits = EntityType.PADDLE | EntityType.BALL;
+		ballFixture.filter.maskBits = EntityType.PADDLE;
 
 		body = state.world.createBody(ballBody);
 		body.createFixture(ballFixture);