diff --git a/source/effects/Bullet.cpp b/source/effects/Bullet.cpp
index 6cdb4f8..fb96df2 100755
--- a/source/effects/Bullet.cpp
+++ b/source/effects/Bullet.cpp
@@ -10,6 +10,7 @@
 #include "../abstract/Actor.h"
 #include "../util/Log.h"
 
+const Vector2i Bullet::SIZE = Vector2i(20, 20);
 const float Bullet::SPEED = 500.0f;
 
 /**
@@ -21,7 +22,7 @@ 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, Vector2i(20, 20), world, CATEGORY_PARTICLE,
+		Particle(texture, PhysicalData(position, SIZE, world, CATEGORY_PARTICLE,
 				CATEGORY_PARTICLE, true, true)),
 		mShooter(shooter),
 		mDamage(damage) {
diff --git a/source/effects/Bullet.h b/source/effects/Bullet.h
index debbef8..06adc19 100755
--- a/source/effects/Bullet.h
+++ b/source/effects/Bullet.h
@@ -22,6 +22,9 @@ public:
 	void onCollide(Physical& other, uint16 category);
 	bool doesCollide(Physical& other);
 
+// Public variables.
+public:
+	static const Vector2i SIZE;
 // Private variables.
 private:
 	static const float SPEED;