diff --git a/VectoCore/VectoCore/Models/SimulationComponent/Data/GearboxData.cs b/VectoCore/VectoCore/Models/SimulationComponent/Data/GearboxData.cs
index d3ba63bc869b2b1b3d026baac5173cbe5705500c..2dff578401587352e1a5c3c528484a6b1b8cc872 100644
--- a/VectoCore/VectoCore/Models/SimulationComponent/Data/GearboxData.cs
+++ b/VectoCore/VectoCore/Models/SimulationComponent/Data/GearboxData.cs
@@ -114,7 +114,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Data
 			var result = new List<ValidationResult>();
 			if (gearboxData.Type.AutomaticTransmission()) {
 				gearboxData.TorqueConverterData.RequiredSpeedRatio =
-					Math.Round(gearboxData.Gears[1].TorqueConverterRatio / gearboxData.Gears[1].Ratio, 4);
+					Math.Round(gearboxData.Gears[1].TorqueConverterRatio / gearboxData.Gears[1].Ratio, 4) * 0.95;
 				result.AddRange(gearboxData.TorqueConverterData.Validate(mode, gearboxData.Type, emsMission));
 				//result.AddRange(gearboxData.PowershiftShiftTime.Validate(mode, gearboxData.Type));
 				//result.AddRange(gearboxData.PowershiftInertiaFactor.Validate(mode, gearboxData.Type));