diff --git a/Engine.Physics2D/PhysicsEngine2D.cs b/Engine.Physics2D/PhysicsEngine2D.cs
index 0d4c476..72c3162 100644
--- a/Engine.Physics2D/PhysicsEngine2D.cs
+++ b/Engine.Physics2D/PhysicsEngine2D.cs
@@ -1,4 +1,3 @@
-using System;
 using System.Collections.Generic;
 
 using Syntriax.Engine.Core;
@@ -54,17 +53,20 @@ public class PhysicsEngine2D : IPhysicsEngine2D
             for (int x = 0; x < colliders.Count; x++)
             {
                 ICollider2D? colliderX = colliders[x];
-                for (int y = 0; y < colliders.Count; y++)
+                for (int y = x + 1; y < colliders.Count; y++)
                 {
                     ICollider2D? colliderY = colliders[y];
 
-                    if (colliderX.RigidBody2D == colliderY.RigidBody2D && colliderY.RigidBody2D is null)
+                    if (colliderX.RigidBody2D == colliderY.RigidBody2D)
                         continue;
 
                     if (collisionDetector.TryDetect(colliderX, colliderY, out CollisionDetectionInformation? information))
                     {
-                        information.Left.Transform.Position -= .5f * information.Normal * information.Penetration;
-                        information.Right.Transform.Position += .5f * information.Normal * information.Penetration;
+                        Vector2D displacementVector = .5f * information.Normal * information.Penetration;
+                        information.Left.Transform.Position -= displacementVector;
+                        information.Right.Transform.Position += displacementVector;
+                        information.Left.Recalculate();
+                        information.Right.Recalculate();
                     }
                 }
             }