diff --git a/VectoCore/VectoCore/Models/Simulation/Impl/PowertrainBuilder.cs b/VectoCore/VectoCore/Models/Simulation/Impl/PowertrainBuilder.cs
index 779c185ce6ee38539faebbf3a91897fc021cf991..316436739364a943e65b80faf88c451cd79e9e98 100644
--- a/VectoCore/VectoCore/Models/Simulation/Impl/PowertrainBuilder.cs
+++ b/VectoCore/VectoCore/Models/Simulation/Impl/PowertrainBuilder.cs
@@ -1004,6 +1004,8 @@ namespace TUGraz.VectoCore.Models.Simulation.Impl
 				case GearboxType.ATSerial:
 					new ATClutchInfo(container);
 					return new ATGearbox(container, strategy);
+				case GearboxType.APTN:
+					return new APTNGearbox(container, strategy);
 				default:
 					throw new ArgumentOutOfRangeException("Unknown Gearbox Type", container.RunData.GearboxData.Type.ToString());
 			}