diff --git a/src/Math/Transform2D.cs b/src/Math/Transform2D.cs
index 2d772f6..2a62c68 100644
--- a/src/Math/Transform2D.cs
+++ b/src/Math/Transform2D.cs
@@ -6,7 +6,7 @@ namespace MoonWorks.Math
 		public float Rotation { get; }
 		public Vector2 Scale { get; }
 
-		public Matrix3x2 TransformMatrix;
+		public Matrix3x2 TransformMatrix { get; }
 
 		public Transform2D(Vector2 position)
 		{