diff --git a/VectoCore/VectoCore/Models/SimulationComponent/Impl/Shiftstrategies/AMTShiftStrategyOptimized.cs b/VectoCore/VectoCore/Models/SimulationComponent/Impl/Shiftstrategies/AMTShiftStrategyOptimized.cs
index 363f901f80b621a26462e71041ae079a4ed0269d..451ee9e1ce758e8d6e5ef86e2279ff261a164e6e 100644
--- a/VectoCore/VectoCore/Models/SimulationComponent/Impl/Shiftstrategies/AMTShiftStrategyOptimized.cs
+++ b/VectoCore/VectoCore/Models/SimulationComponent/Impl/Shiftstrategies/AMTShiftStrategyOptimized.cs
@@ -24,7 +24,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 			GearboxType gearboxType, int i, EngineFullLoadCurve engineDataFullLoadCurve, IList<ITransmissionInputData> gearboxGears,
 			CombustionEngineData engineData, double axlegearRatio, Meter dynamicTyreRadius, ElectricMotorData electricMotorData = null)
 		{
-			return DeclarationData.Gearbox.ComputeManualTransmissionShiftPolygon(
+			return DeclarationData.Gearbox.ComputeEfficiencyShiftPolygon(
 				i, engineDataFullLoadCurve, gearboxGears, engineData, axlegearRatio, dynamicTyreRadius);
 		}
 	}