diff --git a/leenkx/Sources/leenkx/trait/physics/bullet/RigidBody.hx b/leenkx/Sources/leenkx/trait/physics/bullet/RigidBody.hx
index b023509..74fd9ce 100644
--- a/leenkx/Sources/leenkx/trait/physics/bullet/RigidBody.hx
+++ b/leenkx/Sources/leenkx/trait/physics/bullet/RigidBody.hx
@@ -153,6 +153,7 @@ class RigidBody extends iron.Trait {
 		if (!Std.isOfType(object, MeshObject)) return; // No mesh data
 
 		transform = object.transform;
+		transform.buildMatrix();
 		physics = leenkx.trait.physics.PhysicsWorld.active;
 
 		if (shape == Shape.Box) {