diff --git a/Engine b/Engine
index 767fc28..7212094 160000
--- a/Engine
+++ b/Engine
@@ -1 +1 @@
-Subproject commit 767fc28488fbbea9d1125f91934f4b882275890c
+Subproject commit 7212094a3d8bb74d6c9baca9213d62a13cb53713
diff --git a/Shared/Behaviours/CircleBehaviour.cs b/Shared/Behaviours/CircleBehaviour.cs
index b454cf3..bc82865 100644
--- a/Shared/Behaviours/CircleBehaviour.cs
+++ b/Shared/Behaviours/CircleBehaviour.cs
@@ -15,8 +15,8 @@ public class CircleBehaviour : Syntriax.Engine.Physics2D.Collider2DCircleBehavio
 
         for (int i = 0; i < CIRCLE_SEGMENT_COUNT; i++)
         {
-            float iPi1 = i / CIRCLE_SEGMENT_COUNT * 2f * Math.PI;
-            float iPi2 = (i + 1f).Mod(CIRCLE_SEGMENT_COUNT) / CIRCLE_SEGMENT_COUNT * 2f * Math.PI;
+            float iPi1 = i / CIRCLE_SEGMENT_COUNT * 2f * Math.Pi;
+            float iPi2 = (i + 1f).Mod(CIRCLE_SEGMENT_COUNT) / CIRCLE_SEGMENT_COUNT * 2f * Math.Pi;
 
             Vector2D firstVertex = new Vector2D(Math.Sin(iPi1), Math.Cos(iPi1)) * CircleWorld.Radius;
             Vector2D secondVertex = new Vector2D(Math.Sin(iPi2), Math.Cos(iPi2)) * CircleWorld.Radius;
diff --git a/Shared/Behaviours/PongManagerBehaviour.cs b/Shared/Behaviours/PongManagerBehaviour.cs
index dc952a5..75adf31 100644
--- a/Shared/Behaviours/PongManagerBehaviour.cs
+++ b/Shared/Behaviours/PongManagerBehaviour.cs
@@ -86,7 +86,7 @@ public class PongManagerBehaviour : Behaviour, INetworkEntity, IFirstFrameUpdate
         const float AllowedRadians = 45f * Syntriax.Engine.Core.Math.DegreeToRadian;
         float rotation = (float)random.NextDouble() * 2f * AllowedRadians - AllowedRadians;
         bool isBackwards = (random.Next() % 2) == 1;
-        return Vector2D.Right.Rotate(isBackwards ? rotation + Syntriax.Engine.Core.Math.PI : rotation);
+        return Vector2D.Right.Rotate(isBackwards ? rotation + Syntriax.Engine.Core.Math.Pi : rotation);
     }
 
     void IPacketListenerServer<RequestStartPacket>.OnServerPacketArrived(IConnection sender, RequestStartPacket packet)