diff --git a/source/effects/Bullet.cpp b/source/effects/Bullet.cpp
index 99db61c..3c5c19b 100755
--- a/source/effects/Bullet.cpp
+++ b/source/effects/Bullet.cpp
@@ -23,7 +23,7 @@ const float Bullet::SPEED = 500.0f;
 Bullet::Bullet(const Vector2f& position, b2World& world,
 	const std::shared_ptr<sf::Texture>& texture, Physical& shooter, float direction, int damage) :
 		Particle(texture, PhysicalData(position, SIZE, world, CATEGORY_PARTICLE,
-				CATEGORY_PARTICLE, true, true)),
+				CATEGORY_PARTICLE, true, true, true)),
 		mShooter(shooter),
 		mDamage(damage) {
 	setSpeed(angle(direction), SPEED);
diff --git a/source/sprite/Enemy.cpp b/source/sprite/Enemy.cpp
index 2ce5aa7..b061231 100644
--- a/source/sprite/Enemy.cpp
+++ b/source/sprite/Enemy.cpp
@@ -9,7 +9,7 @@
 
 Enemy::Enemy(b2World& world, const Vector2f& position) :
 		Sprite("enemy.png", PhysicalData(position, Vector2i(50, 50), world,
-		       CATEGORY_ACTOR, MASK_ALL, true)),
+		       CATEGORY_ACTOR, MASK_ALL, true, false, true)),
 		Actor(100) {
 
 }
diff --git a/source/sprite/Player.cpp b/source/sprite/Player.cpp
index 22203d2..1541f27 100644
--- a/source/sprite/Player.cpp
+++ b/source/sprite/Player.cpp
@@ -20,7 +20,7 @@ const Vector2i Player::SIZE = Vector2i(50, 50);
  */
 Player::Player(b2World& world, Collection& collection, const Vector2f& position) :
 		Sprite("player.png", PhysicalData(position, SIZE, world,
-				CATEGORY_ACTOR, MASK_ALL, true)),
+				CATEGORY_ACTOR, MASK_ALL, true, false, true)),
 		Actor(100),
 		mWeapon(*this, collection, world, SIZE),
 		mDestination(Vector2i(position)),