diff --git a/src/pe/communication/rigidbody/Capsule.h b/src/pe/communication/rigidbody/Capsule.h
index ccd4c32745836cb96681e0cb791ed43c0a8342c2..c39cd55d95b9adff9a07ba007886abeeffb2f878 100644
--- a/src/pe/communication/rigidbody/Capsule.h
+++ b/src/pe/communication/rigidbody/Capsule.h
@@ -47,7 +47,7 @@ struct CapsuleParameters : public GeomPrimitiveParameters {
  * \param obj The object to be marshalled.
  * \return void
  */
-void marshal( mpi::SendBuffer& buffer, const Box& obj );
+void marshal( mpi::SendBuffer& buffer, const Capsule& obj );
 //*************************************************************************************************
 
 //*************************************************************************************************